Revert "RS: Add VP9 LoopFilter Intrinsic"

This reverts commit e4749f3a5a6a6041ef2894162edce5115b307db0.

Change-Id: I45ccdacb1706abd4df7f635c5e64dcb1ee4b876d
diff --git a/cpp/ScriptIntrinsics.cpp b/cpp/ScriptIntrinsics.cpp
index 34b2162..f9a1d97 100644
--- a/cpp/ScriptIntrinsics.cpp
+++ b/cpp/ScriptIntrinsics.cpp
@@ -644,48 +644,3 @@
 
     Script::forEach(0, NULL, out, NULL, 0);
 }
-
-sp<ScriptIntrinsicVP9LoopFilter> ScriptIntrinsicVP9LoopFilter::create(sp<RS> rs, sp<const Element> e) {
-    if (!(e->isCompatible(Element::U8(rs)))) {
-        rs->throwError(RS_ERROR_INVALID_ELEMENT, "Invalid element for Vp9LoopFilter");
-        return NULL;
-    }
-    return new ScriptIntrinsicVP9LoopFilter(rs, e);
-}
-
-ScriptIntrinsicVP9LoopFilter::ScriptIntrinsicVP9LoopFilter(sp<RS> rs, sp<const Element> e)
-    : ScriptIntrinsic(rs, RS_SCRIPT_INTRINSIC_ID_LOOP_FILTER, e) {
-    sp<const Type> t_pad = Type::create(rs, e, 1, 0, 0);
-    mPadAlloc = Allocation::createTyped(rs, t_pad, RS_ALLOCATION_MIPMAP_NONE, RS_ALLOCATION_USAGE_SCRIPT, NULL);
-}
-
-void ScriptIntrinsicVP9LoopFilter::setLoopFilterDomain(int start, int stop, int numPlanes, int miRows, int miCols) {
-    FieldPacker fp(20);
-    fp.add(start);
-    fp.add(stop);
-    fp.add(numPlanes);
-    fp.add(miRows);
-    fp.add(miCols);
-    Script::setVar(0, fp.getData(), fp.getLength());
-}
-
-void ScriptIntrinsicVP9LoopFilter::setBufferInfo(const BufferInfo *bufInfo) {
-    Script::setVar(1, bufInfo, sizeof(BufferInfo));
-}
-
-void ScriptIntrinsicVP9LoopFilter::setLoopFilterInfo(sp<Allocation> lfInfo) {
-    Script::setVar(2, lfInfo);
-}
-
-void ScriptIntrinsicVP9LoopFilter::setLoopFilterMasks(sp<Allocation> lfMasks) {
-    Script::setVar(3, lfMasks);
-}
-
-void ScriptIntrinsicVP9LoopFilter::forEach(sp<Allocation> frameBuffer) {
-    if (!(frameBuffer->getType()->getElement()->isCompatible(mElement))) {
-        mRS->throwError(RS_ERROR_INVALID_ELEMENT, "Invalid element for input/output in Vp9LoopFilter");
-        return;
-    }
-    Script::setVar(4, frameBuffer);
-    Script::forEach(0, mPadAlloc, NULL, NULL, 0);
-}
diff --git a/cpp/rsCppStructs.h b/cpp/rsCppStructs.h
index 8268b61..805f072 100644
--- a/cpp/rsCppStructs.h
+++ b/cpp/rsCppStructs.h
@@ -1883,134 +1883,6 @@
 };
 
 /**
- * Intrinsic for vp9 loopfilter.
- */
-#if (defined(__GNUC__) && __GNUC__) || defined(__SUNPRO_C)
-#define DECLARE_ALIGNED(n,typ,val)  typ val __attribute__ ((aligned (n)))
-#elif defined(_MSC_VER)
-#define DECLARE_ALIGNED(n,typ,val)  __declspec(align(n)) typ val
-#else
-#warning No alignment directives known for this compiler.
-#define DECLARE_ALIGNED(n,typ,val)  typ val
-#endif
-
-#define TX_SIZES            4
-#define SIMD_WIDTH          16
-#define MAX_LOOP_FILTER     63
-#define MAX_SEGMENTS        8
-#define MAX_REF_FRAMES      4
-#define MAX_MODE_LF_DELTAS  2
-#define MB_MODE_COUNT       14
-
-/**
- * Intrinsic for VP9 loop filter
- */
-class ScriptIntrinsicVP9LoopFilter : public ScriptIntrinsic {
- private:
-    ScriptIntrinsicVP9LoopFilter(sp<RS> rs, sp<const Element> e);
-    sp<Allocation> mPadAlloc;
-
- public:
-    // This structure holds bit masks for all 8x8 blocks in a 64x64 region.
-    // Each 1 bit represents a position in which we want to apply the loop filter.
-    // Left_ entries refer to whether we apply a filter on the border to the
-    // left of the block.   Above_ entries refer to whether or not to apply a
-    // filter on the above border.   Int_ entries refer to whether or not to
-    // apply borders on the 4x4 edges within the 8x8 block that each bit
-    // represents.
-    // Since each transform is accompanied by a potentially different type of
-    // loop filter there is a different entry in the array for each transform size.
-    struct LoopFilterMask {
-        uint64_t left_y[TX_SIZES];
-        uint64_t above_y[TX_SIZES];
-        uint64_t int_4x4_y;
-        uint16_t left_uv[TX_SIZES];
-        uint16_t above_uv[TX_SIZES];
-        uint16_t int_4x4_uv;
-        uint8_t lfl_y[64];
-        uint8_t lfl_uv[16];
-    };
-    // Need to align this structure so when it is declared and
-    // passed it can be loaded into vector registers.
-    struct LoopFilterThresh {
-        DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, mblim[SIMD_WIDTH]);
-        DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, lim[SIMD_WIDTH]);
-        DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, hev_thr[SIMD_WIDTH]);
-    };
-    struct LoopFilterInfoN {
-        LoopFilterThresh lfthr[MAX_LOOP_FILTER + 1];
-        uint8_t lvl[MAX_SEGMENTS][MAX_REF_FRAMES][MAX_MODE_LF_DELTAS];
-        uint8_t mode_lf_lut[MB_MODE_COUNT];
-    };
-    struct BufferInfo {
-        int y_offset;
-        int u_offset;
-        int v_offset;
-        int y_stride;
-        int uv_stride;
-    };
-
-    /**
-     * Create an intrinsic for LoopFilter.
-     *
-     * Supported elements types are U8.
-     *
-     * @param[in] rs The RenderScript context
-     * @param[in] e Element type for output
-     *
-     * @return ScriptIntrinsicVP9LoopFilter
-     */
-    static sp<ScriptIntrinsicVP9LoopFilter> create(sp<RS> rs, sp<const Element> e);
-    /**
-     * Set loop filter domain.
-     *
-     * @param[in] start The start mi(mode info) row
-     * @param[in] stop The stop mi row
-     * @param[in] numPlanes The number of planes
-     * @param[in] miRows The number of mi rows
-     * @param[in] miCols The number of mi columns
-     */
-    void setLoopFilterDomain(int start, int stop, int numPlanes, int miRows, int miCols);
-    /**
-     * Set the layout info of the frame buffer(the parameter passed to forEach).
-     *
-     * @param[in] bufInfo The BufferInfo pointer contains the frame layout info
-     */
-    void setBufferInfo(const BufferInfo *bufInfo);
-    /**
-     * Set the loop filter info, including infomation like high edge variance thresholds
-     * and loop filter levels that apply to the whole frame.
-     *
-     * @param[in] lfInfo The Allocation obj that contains the LoopFilterInfoN object
-     */
-    void setLoopFilterInfo(sp<Allocation> lfInfo);
-    /**
-     * Set loop filter masks.
-     *
-     * @param[in] lfMasks The Allocation obj that contains the masks for each 64*64
-     * super block within the loop filter domain
-     */
-    void setLoopFilterMasks(sp<Allocation> lfMasks);
-
-    /**
-     * Apply loop filter on the frame.
-     *
-     * @param[in] frameBuffer The Allocation obj that contains the frame
-     */
-    void forEach(sp<Allocation> frameBuffer);
-};
-
-#undef DECLARE_ALIGNED
-
-#undef TX_SIZES
-#undef SIMD_WIDTH
-#undef MAX_LOOP_FILTER
-#undef MAX_SEGMENTS
-#undef MAX_REF_FRAMES
-#undef MAX_MODE_LF_DELTAS
-#undef MB_MODE_COUNT
-
-/**
  * Sampler object that defines how Allocations can be read as textures
  * within a kernel. Samplers are used in conjunction with the rsSample
  * runtime function to return values from normalized coordinates.
diff --git a/cpu_ref/Android.mk b/cpu_ref/Android.mk
index 22a910a..c4e0ebf 100644
--- a/cpu_ref/Android.mk
+++ b/cpu_ref/Android.mk
@@ -30,7 +30,6 @@
 	rsCpuIntrinsicConvolve5x5.cpp \
 	rsCpuIntrinsicHistogram.cpp \
 	rsCpuIntrinsicInterPred.cpp \
-	rsCpuIntrinsicLoopFilter.cpp \
 	rsCpuIntrinsicLUT.cpp \
 	rsCpuIntrinsicYuvToRGB.cpp \
 	convolve/convolve.c
@@ -57,10 +56,7 @@
     convolve/convolve_avg_neon.s \
     convolve/convolve8_neon.s \
     convolve/convolve8_avg_neon.s \
-    convolve/convolve_neon.c \
-    vp9_loopfilter_16_neon.S \
-    vp9_loopfilter_neon.S \
-    vp9_mb_lpf_neon.S
+    convolve/convolve_neon.c
     LOCAL_ASFLAGS_arm := -mfpu=neon
 endif
 
@@ -69,7 +65,6 @@
 
 LOCAL_C_INCLUDES += frameworks/compile/libbcc/include
 LOCAL_C_INCLUDES += frameworks/rs
-LOCAL_C_INCLUDES += system/core/include
 
 LOCAL_CFLAGS += $(rs_base_CFLAGS)
 
diff --git a/cpu_ref/rsCpuCore.cpp b/cpu_ref/rsCpuCore.cpp
index a1ed1c9..7dfb3e2 100644
--- a/cpu_ref/rsCpuCore.cpp
+++ b/cpu_ref/rsCpuCore.cpp
@@ -524,8 +524,6 @@
                                              const Script *s, const Element *e);
 extern RsdCpuScriptImpl * rsdIntrinsic_Histogram(RsdCpuReferenceImpl *ctx,
                                                  const Script *s, const Element *e);
-extern RsdCpuScriptImpl * rsdIntrinsic_LoopFilter(RsdCpuReferenceImpl *ctx,
-                                                  const Script *s, const Element *e);
 
 RsdCpuReference::CpuScript * RsdCpuReferenceImpl::createIntrinsic(const Script *s,
                                     RsScriptIntrinsicID iid, Element *e) {
@@ -564,11 +562,6 @@
     case RS_SCRIPT_INTRINSIC_ID_HISTOGRAM:
         i = rsdIntrinsic_Histogram(this, s, e);
         break;
-#ifndef RS_COMPATIBILITY_LIB
-    case RS_SCRIPT_INTRINSIC_ID_LOOP_FILTER:
-        i = rsdIntrinsic_LoopFilter(this, s, e);
-        break;
-#endif
 
     default:
         rsAssert(0);
diff --git a/cpu_ref/rsCpuIntrinsicLoopFilter.cpp b/cpu_ref/rsCpuIntrinsicLoopFilter.cpp
deleted file mode 100644
index 0b85e51..0000000
--- a/cpu_ref/rsCpuIntrinsicLoopFilter.cpp
+++ /dev/null
@@ -1,1239 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-#include "rsCpuIntrinsic.h"
-#include "rsCpuIntrinsicInlines.h"
-#include <sys/syscall.h>
-#include "cutils/atomic.h"
-
-#ifdef RS_COMPATIBILITY_LIB
-#include "rsCompatibilityLib.h"
-#endif
-
-#ifndef RS_COMPATIBILITY_LIB
-#include "hardware/gralloc.h"
-#endif
-
-
-#define INLINE      inline
-
-#define MIN(x, y) (((x) < (y)) ? (x) : (y))
-#define MAX(x, y) (((x) > (y)) ? (x) : (y))
-
-#define ROUND_POWER_OF_TWO(value, n) \
-    (((value) + (1 << ((n) - 1))) >> (n))
-
-
-#define MI_SIZE_LOG2 3
-#define MI_BLOCK_SIZE_LOG2 (6 - MI_SIZE_LOG2)  // 64 = 2^6
-
-#define MI_SIZE (1 << MI_SIZE_LOG2)  // pixels per mi-unit
-#define MI_BLOCK_SIZE (1 << MI_BLOCK_SIZE_LOG2)  // mi-units per max block
-
-#define MI_MASK (MI_BLOCK_SIZE - 1)
-
-#define SIMD_WIDTH          16
-#define MAX_LOOP_FILTER     63
-#define MAX_SEGMENTS        8
-#define MAX_REF_FRAMES      4
-#define MAX_MODE_LF_DELTAS  2
-#define MB_MODE_COUNT       14
-#define BLOCK_SIZES         13
-
-
-#if (defined(__GNUC__) && __GNUC__) || defined(__SUNPRO_C)
-#define DECLARE_ALIGNED(n,typ,val)  typ val __attribute__ ((aligned (n)))
-#elif defined(_MSC_VER)
-#define DECLARE_ALIGNED(n,typ,val)  __declspec(align(n)) typ val
-#else
-#warning No alignment directives known for this compiler.
-#define DECLARE_ALIGNED(n,typ,val)  typ val
-#endif
-
-// block transform size
-typedef enum {
-    TX_4X4 = 0,                      // 4x4 transform
-    TX_8X8 = 1,                      // 8x8 transform
-    TX_16X16 = 2,                    // 16x16 transform
-    TX_32X32 = 3,                    // 32x32 transform
-    TX_SIZES
-} TX_SIZE;
-
-typedef enum {
-    PLANE_TYPE_Y_WITH_DC,
-    PLANE_TYPE_UV,
-} PLANE_TYPE;
-
-// This structure holds bit masks for all 8x8 blocks in a 64x64 region.
-// Each 1 bit represents a position in which we want to apply the loop filter.
-// Left_ entries refer to whether we apply a filter on the border to the
-// left of the block.   Above_ entries refer to whether or not to apply a
-// filter on the above border.   Int_ entries refer to whether or not to
-// apply borders on the 4x4 edges within the 8x8 block that each bit
-// represents.
-// Since each transform is accompanied by a potentially different type of
-// loop filter there is a different entry in the array for each transform size.
-struct LoopFilterMask {
-    uint64_t left_y[4];
-    uint64_t above_y[4];
-    uint64_t int_4x4_y;
-    unsigned short left_uv[4];
-    unsigned short above_uv[4];
-    unsigned short int_4x4_uv;
-    unsigned char lfl_y[64];
-    unsigned char lfl_uv[16];
-};
-
-// Need to align this structure so when it is declared and
-// passed it can be loaded into vector registers.
-struct LoopFilterThresh {
-    DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, mblim[SIMD_WIDTH]);
-    DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, lim[SIMD_WIDTH]);
-    DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, hev_thr[SIMD_WIDTH]);
-};
-
-struct LoopFilterInfoN {
-    LoopFilterThresh lfthr[MAX_LOOP_FILTER + 1];
-    uint8_t lvl[MAX_SEGMENTS][MAX_REF_FRAMES][MAX_MODE_LF_DELTAS];
-    uint8_t mode_lf_lut[MB_MODE_COUNT];
-};
-
-struct BufferInfo {
-    int y_offset;
-    int u_offset;
-    int v_offset;
-    int y_stride;
-    int uv_stride;
-};
-
-#define MAX_CPU_CORES   32
-#define MAX_MB_PLANE    3
-#define MAX_SB_COL      32
-
-struct LoopFilterProgressChart {
-    int start;
-    int stop;
-    int num_planes;
-    int mi_rows;
-    int mi_cols;
-    BufferInfo        buf_info;
-    uint8_t           *buffer_alloc;
-    LoopFilterInfoN   *lf_info;
-    LoopFilterMask    *lfms;
-
-    int               wid;
-    int               worker_count;
-    int               quit;
-    int               todo;
-    int               done;
-    volatile int32_t  chart[MAX_SB_COL];
-    int32_t           sb_row_pro;
-    pthread_t         *tid;
-    pthread_mutex_t   *mutex;
-    pthread_cond_t    *start_cond;
-    pthread_mutex_t   *hmutex;
-    pthread_cond_t    *finish;
-};
-
-using namespace android;
-using namespace android::renderscript;
-
-namespace android {
-namespace renderscript {
-
-
-class RsdCpuScriptIntrinsicLoopFilter : public RsdCpuScriptIntrinsic {
-private:
-    LoopFilterProgressChart   mPrch;
-    int                mWorkerCount;
-
-public:
-    virtual void populateScript(Script *);
-    virtual void setGlobalVar(uint32_t slot, const void *data, size_t dataLength);
-    virtual void setGlobalObj(uint32_t slot, ObjectBase *data);
-
-    virtual ~RsdCpuScriptIntrinsicLoopFilter();
-    RsdCpuScriptIntrinsicLoopFilter(RsdCpuReferenceImpl *ctx, const Script *s,
-                                    const Element *e);
-
-protected:
-    ObjectBaseRef<Allocation> mLfInfo;
-    ObjectBaseRef<Allocation> mLfMasks;
-    ObjectBaseRef<Allocation> mFrameBuffer;
-
-    void doLoopFilter();
-    static void kernel(const RsForEachStubParamStruct *p,
-                       uint32_t xstart, uint32_t xend,
-                       uint32_t instep, uint32_t outstep);
-};
-
-}
-}
-
-void RsdCpuScriptIntrinsicLoopFilter::kernel(const RsForEachStubParamStruct *p,
-                                             uint32_t xstart, uint32_t xend,
-                                             uint32_t instep, uint32_t outstep) {
-    RsdCpuScriptIntrinsicLoopFilter *cp = (RsdCpuScriptIntrinsicLoopFilter*)p->usr;
-    pthread_mutex_lock(cp->mPrch.hmutex);
-    memset((void*)&cp->mPrch.chart, 0, sizeof(cp->mPrch.chart));
-    cp->mPrch.chart[0] = 0x0fffffff;
-    cp->mPrch.sb_row_pro = 0;
-    cp->mPrch.done = 0;
-    pthread_mutex_unlock(cp->mPrch.hmutex);
-    android_atomic_release_store(-1, &cp->mPrch.todo);
-
-    int i = 0;
-    for (i = 0; i < cp->mWorkerCount; ++i) {
-        pthread_cond_signal(&cp->mPrch.start_cond[i]);
-    }
-    pthread_mutex_lock(cp->mPrch.hmutex);
-    if (cp->mPrch.done != cp->mWorkerCount) {
-        pthread_cond_wait(cp->mPrch.finish, cp->mPrch.hmutex);
-    }
-    pthread_mutex_unlock(cp->mPrch.hmutex);
-}
-
-
-void RsdCpuScriptIntrinsicLoopFilter::setGlobalVar(uint32_t slot,
-                                                   const void *data,
-                                                   size_t dataLength) {
-    rsAssert(slot >= 0 && slot < 2);
-    const int *dptr = (const int *)data;
-    switch (slot) {
-    case 0:
-        rsAssert(dataLength == sizeof(int) * 5);
-        mPrch.start       = dptr[0];
-        mPrch.stop        = dptr[1];
-        mPrch.num_planes  = dptr[2];
-        mPrch.mi_rows     = dptr[3];
-        mPrch.mi_cols     = dptr[4];
-        break;
-    case 1:
-        rsAssert(dataLength == sizeof(BufferInfo));
-        mPrch.buf_info = *((BufferInfo*)data);
-        break;
-    default:
-        ALOGE("Non-exist global value slot: %d", slot);
-        rsAssert(0);
-    }
-}
-
-void RsdCpuScriptIntrinsicLoopFilter::setGlobalObj(uint32_t slot, ObjectBase *data) {
-    rsAssert(slot > 1 && slot < 5);
-    if (slot == 2) {
-        mLfInfo.set(static_cast<Allocation *>(data));
-        mPrch.lf_info = (LoopFilterInfoN *)mLfInfo->mHal.state.userProvidedPtr;
-    } else if (slot == 3) {
-        mLfMasks.set(static_cast<Allocation *>(data));
-        mPrch.lfms = (LoopFilterMask *)mLfMasks->mHal.state.userProvidedPtr;
-    } else {
-        mFrameBuffer.set(static_cast<Allocation *>(data));
-        mPrch.buffer_alloc = (uint8_t *)mFrameBuffer->mHal.state.userProvidedPtr;
-    }
-}
-
-RsdCpuScriptIntrinsicLoopFilter::~RsdCpuScriptIntrinsicLoopFilter() {
-    android_atomic_inc(&mPrch.quit);
-    android_atomic_release_store(-1, &mPrch.todo);
-    int i = 0;
-    for (i = 0; i < mWorkerCount; ++i) {
-        pthread_cond_signal(&mPrch.start_cond[i]);
-    }
-    for (i = 0; i < mWorkerCount; ++i) {
-        pthread_join(mPrch.tid[i], NULL);
-    }
-    free(mPrch.tid);
-}
-
-void RsdCpuScriptIntrinsicLoopFilter::populateScript(Script *s) {
-    s->mHal.info.exportedVariableCount = 9;
-    s->mHal.info.exportedFunctionCount = 1;
-}
-
-RsdCpuScriptImpl * rsdIntrinsic_LoopFilter(RsdCpuReferenceImpl *ctx,
-                                           const Script *s, const Element *e) {
-    return new RsdCpuScriptIntrinsicLoopFilter(ctx, s, e);
-}
-
-extern "C" void vp9_lpf_vertical_16_c(uint8_t *s, int pitch,
-                                      const uint8_t *blimit,
-                                      const uint8_t *limit,
-                                      const uint8_t *thresh);
-extern "C" void vp9_lpf_vertical_16_neon(uint8_t *s, int pitch,
-                                         const uint8_t *blimit,
-                                         const uint8_t *limit,
-                                         const uint8_t *thresh);
-extern "C" void vp9_lpf_vertical_16_dual_c(uint8_t *s, int pitch,
-                                           const uint8_t *blimit,
-                                           const uint8_t *limit,
-                                           const uint8_t *thresh);
-extern "C" void vp9_lpf_vertical_16_dual_neon(uint8_t *s, int pitch,
-                                              const uint8_t *blimit,
-                                              const uint8_t *limit,
-                                              const uint8_t *thresh);
-extern "C" void vp9_lpf_vertical_8_c(uint8_t *s, int pitch,
-                                     const uint8_t *blimit,
-                                     const uint8_t *limit,
-                                     const uint8_t *thresh,
-                                     int count);
-extern "C" void vp9_lpf_vertical_8_neon(uint8_t *s, int pitch,
-                                        const uint8_t *blimit,
-                                        const uint8_t *limit,
-                                        const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_vertical_8_dual_c(uint8_t *s, int pitch,
-                                          const uint8_t *blimit0,
-                                          const uint8_t *limit0,
-                                          const uint8_t *thresh0,
-                                          const uint8_t *blimit1,
-                                          const uint8_t *limit1,
-                                          const uint8_t *thresh1);
-extern "C" void vp9_lpf_vertical_8_dual_neon(uint8_t *s, int pitch,
-                                             const uint8_t *blimit0,
-                                             const uint8_t *limit0,
-                                             const uint8_t *thresh0,
-                                             const uint8_t *blimit1,
-                                             const uint8_t *limit1,
-                                             const uint8_t *thresh1);
-extern "C" void vp9_lpf_vertical_4_c(uint8_t *s, int pitch, const uint8_t *blimit,
-                                     const uint8_t *limit, const uint8_t *thresh,
-                                     int count);
-extern "C" void vp9_lpf_vertical_4_neon(uint8_t *s, int pitch,
-                                        const uint8_t *blimit,
-                                        const uint8_t *limit,
-                                        const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_vertical_4_dual_c(uint8_t *s, int pitch,
-                                          const uint8_t *blimit0,
-                                          const uint8_t *limit0,
-                                          const uint8_t *thresh0,
-                                          const uint8_t *blimit1,
-                                          const uint8_t *limit1,
-                                          const uint8_t *thresh1);
-extern "C" void vp9_lpf_vertical_4_dual_neon(uint8_t *s, int pitch,
-                                             const uint8_t *blimit0,
-                                             const uint8_t *limit0,
-                                             const uint8_t *thresh0,
-                                             const uint8_t *blimit1,
-                                             const uint8_t *limit1,
-                                             const uint8_t *thresh1);
-extern "C" void vp9_lpf_horizontal_16_c(uint8_t *s, int pitch,
-                                        const uint8_t *blimit,
-                                        const uint8_t *limit,
-                                        const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_horizontal_16_neon(uint8_t *s, int pitch,
-                                           const uint8_t *blimit,
-                                           const uint8_t *limit,
-                                           const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_horizontal_8_c(uint8_t *s, int pitch,
-                                       const uint8_t *blimit,
-                                       const uint8_t *limit,
-                                       const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_horizontal_8_neon(uint8_t *s, int pitch,
-                                          const uint8_t *blimit,
-                                          const uint8_t *limit,
-                                          const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_horizontal_8_dual_c(uint8_t *s, int pitch,
-                                            const uint8_t *blimit0,
-                                            const uint8_t *limit0,
-                                            const uint8_t *thresh0,
-                                            const uint8_t *blimit1,
-                                            const uint8_t *limit1,
-                                            const uint8_t *thresh1);
-extern "C" void vp9_lpf_horizontal_8_dual_neon(uint8_t *s, int pitch,
-                                               const uint8_t *blimit0,
-                                               const uint8_t *limit0,
-                                               const uint8_t *thresh0,
-                                               const uint8_t *blimit1,
-                                               const uint8_t *limit1,
-                                               const uint8_t *thresh1);
-extern "C" void vp9_lpf_horizontal_4_c(uint8_t *s, int pitch,
-                                       const uint8_t *blimit,
-                                       const uint8_t *limit,
-                                       const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_horizontal_4_neon(uint8_t *s, int pitch,
-                                          const uint8_t *blimit,
-                                          const uint8_t *limit,
-                                          const uint8_t *thresh, int count);
-extern "C" void vp9_lpf_horizontal_4_dual_c(uint8_t *s, int pitch,
-                                            const uint8_t *blimit0,
-                                            const uint8_t *limit0,
-                                            const uint8_t *thresh0,
-                                            const uint8_t *blimit1,
-                                            const uint8_t *limit1,
-                                            const uint8_t *thresh1);
-extern "C" void vp9_lpf_horizontal_4_dual_neon(uint8_t *s, int pitch,
-                                               const uint8_t *blimit0,
-                                               const uint8_t *limit0,
-                                               const uint8_t *thresh0,
-                                               const uint8_t *blimit1,
-                                               const uint8_t *limit1,
-                                               const uint8_t *thresh1);
-
-
-#ifdef ARCH_ARM_HAVE_NEON
-#define vp9_lpf_vertical_16 vp9_lpf_vertical_16_neon
-#define vp9_lpf_vertical_16_dual vp9_lpf_vertical_16_dual_neon
-#define vp9_lpf_vertical_8 vp9_lpf_vertical_8_neon
-#define vp9_lpf_vertical_8_dual vp9_lpf_vertical_8_dual_neon
-#define vp9_lpf_vertical_4 vp9_lpf_vertical_4_neon
-#define vp9_lpf_vertical_4_dual vp9_lpf_vertical_4_dual_neon
-#define vp9_lpf_horizontal_16 vp9_lpf_horizontal_16_neon
-#define vp9_lpf_horizontal_8 vp9_lpf_horizontal_8_neon
-#define vp9_lpf_horizontal_8_dual vp9_lpf_horizontal_8_dual_neon
-#define vp9_lpf_horizontal_4 vp9_lpf_horizontal_4_neon
-#define vp9_lpf_horizontal_4_dual vp9_lpf_horizontal_4_dual_neon
-#else
-#define vp9_lpf_vertical_16 vp9_lpf_vertical_16_c
-#define vp9_lpf_vertical_16_dual vp9_lpf_vertical_16_dual_c
-#define vp9_lpf_vertical_8 vp9_lpf_vertical_8_c
-#define vp9_lpf_vertical_8_dual vp9_lpf_vertical_8_dual_c
-#define vp9_lpf_vertical_4 vp9_lpf_vertical_4_c
-#define vp9_lpf_vertical_4_dual vp9_lpf_vertical_4_dual_c
-#define vp9_lpf_horizontal_16 vp9_lpf_horizontal_16_c
-#define vp9_lpf_horizontal_8 vp9_lpf_horizontal_8_c
-#define vp9_lpf_horizontal_8_dual vp9_lpf_horizontal_8_dual_c
-#define vp9_lpf_horizontal_4 vp9_lpf_horizontal_4_c
-#define vp9_lpf_horizontal_4_dual vp9_lpf_horizontal_4_dual_c
-#endif
-
-
-void vp9_lpf_horizontal_8_dual_neon(uint8_t *s, int p /* pitch */,
-                                    const uint8_t *blimit0,
-                                    const uint8_t *limit0,
-                                    const uint8_t *thresh0,
-                                    const uint8_t *blimit1,
-                                    const uint8_t *limit1,
-                                    const uint8_t *thresh1) {
-    vp9_lpf_horizontal_8(s, p, blimit0, limit0, thresh0, 1);
-    vp9_lpf_horizontal_8(s + 8, p, blimit1, limit1, thresh1, 1);
-}
-
-void vp9_lpf_vertical_4_dual_neon(uint8_t *s, int p,
-                                  const uint8_t *blimit0,
-                                  const uint8_t *limit0,
-                                  const uint8_t *thresh0,
-                                  const uint8_t *blimit1,
-                                  const uint8_t *limit1,
-                                  const uint8_t *thresh1) {
-    vp9_lpf_vertical_4_neon(s, p, blimit0, limit0, thresh0, 1);
-    vp9_lpf_vertical_4_neon(s + 8 * p, p, blimit1, limit1, thresh1, 1);
-}
-
-void vp9_lpf_vertical_8_dual_neon(uint8_t *s, int p,
-                                  const uint8_t *blimit0,
-                                  const uint8_t *limit0,
-                                  const uint8_t *thresh0,
-                                  const uint8_t *blimit1,
-                                  const uint8_t *limit1,
-                                  const uint8_t *thresh1) {
-    vp9_lpf_vertical_8_neon(s, p, blimit0, limit0, thresh0, 1);
-    vp9_lpf_vertical_8_neon(s + 8 * p, p, blimit1, limit1, thresh1, 1);
-}
-
-void vp9_lpf_vertical_16_dual_neon(uint8_t *s, int p,
-                                   const uint8_t *blimit,
-                                   const uint8_t *limit,
-                                   const uint8_t *thresh) {
-    vp9_lpf_vertical_16_neon(s, p, blimit, limit, thresh);
-    vp9_lpf_vertical_16_neon(s + 8 * p, p, blimit, limit, thresh);
-}
-
-
-static INLINE int8_t signed_char_clamp(int t) {
-    return (int8_t)clamp(t, -128, 127);
-}
-
-// should we apply any filter at all: 11111111 yes, 00000000 no
-static INLINE int8_t filter_mask(uint8_t limit, uint8_t blimit,
-                                 uint8_t p3, uint8_t p2,
-                                 uint8_t p1, uint8_t p0,
-                                 uint8_t q0, uint8_t q1,
-                                 uint8_t q2, uint8_t q3) {
-    int8_t mask = 0;
-    mask |= (abs(p3 - p2) > limit) * -1;
-    mask |= (abs(p2 - p1) > limit) * -1;
-    mask |= (abs(p1 - p0) > limit) * -1;
-    mask |= (abs(q1 - q0) > limit) * -1;
-    mask |= (abs(q2 - q1) > limit) * -1;
-    mask |= (abs(q3 - q2) > limit) * -1;
-    mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
-    return ~mask;
-}
-
-static INLINE int8_t flat_mask4(uint8_t thresh,
-                                uint8_t p3, uint8_t p2,
-                                uint8_t p1, uint8_t p0,
-                                uint8_t q0, uint8_t q1,
-                                uint8_t q2, uint8_t q3) {
-    int8_t mask = 0;
-    mask |= (abs(p1 - p0) > thresh) * -1;
-    mask |= (abs(q1 - q0) > thresh) * -1;
-    mask |= (abs(p2 - p0) > thresh) * -1;
-    mask |= (abs(q2 - q0) > thresh) * -1;
-    mask |= (abs(p3 - p0) > thresh) * -1;
-    mask |= (abs(q3 - q0) > thresh) * -1;
-    return ~mask;
-}
-
-static INLINE int8_t flat_mask5(uint8_t thresh,
-                                uint8_t p4, uint8_t p3,
-                                uint8_t p2, uint8_t p1,
-                                uint8_t p0, uint8_t q0,
-                                uint8_t q1, uint8_t q2,
-                                uint8_t q3, uint8_t q4) {
-    int8_t mask = ~flat_mask4(thresh, p3, p2, p1, p0, q0, q1, q2, q3);
-    mask |= (abs(p4 - p0) > thresh) * -1;
-    mask |= (abs(q4 - q0) > thresh) * -1;
-    return ~mask;
-}
-
-// is there high edge variance internal edge: 11111111 yes, 00000000 no
-static INLINE int8_t hev_mask(uint8_t thresh, uint8_t p1, uint8_t p0,
-                              uint8_t q0, uint8_t q1) {
-    int8_t hev = 0;
-    hev |= (abs(p1 - p0) > thresh) * -1;
-    hev |= (abs(q1 - q0) > thresh) * -1;
-    return hev;
-}
-
-static INLINE void filter4(int8_t mask, uint8_t thresh, uint8_t *op1,
-                           uint8_t *op0, uint8_t *oq0, uint8_t *oq1) {
-    int8_t filter1, filter2;
-
-    const int8_t ps1 = (int8_t) *op1 ^ 0x80;
-    const int8_t ps0 = (int8_t) *op0 ^ 0x80;
-    const int8_t qs0 = (int8_t) *oq0 ^ 0x80;
-    const int8_t qs1 = (int8_t) *oq1 ^ 0x80;
-    const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1);
-
-    // add outer taps if we have high edge variance
-    int8_t filter = signed_char_clamp(ps1 - qs1) & hev;
-
-    // inner taps
-    filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask;
-
-    // save bottom 3 bits so that we round one side +4 and the other +3
-    // if it equals 4 we'll set to adjust by -1 to account for the fact
-    // we'd round 3 the other way
-    filter1 = signed_char_clamp(filter + 4) >> 3;
-    filter2 = signed_char_clamp(filter + 3) >> 3;
-
-    *oq0 = signed_char_clamp(qs0 - filter1) ^ 0x80;
-    *op0 = signed_char_clamp(ps0 + filter2) ^ 0x80;
-
-    // outer tap adjustments
-    filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev;
-
-    *oq1 = signed_char_clamp(qs1 - filter) ^ 0x80;
-    *op1 = signed_char_clamp(ps1 + filter) ^ 0x80;
-}
-
-void vp9_lpf_horizontal_4_c(uint8_t *s, int p /* pitch */,
-                            const uint8_t *blimit, const uint8_t *limit,
-                            const uint8_t *thresh, int count) {
-    int i;
-
-    // loop filter designed to work using chars so that we can make maximum use
-    // of 8 bit simd instructions.
-    for (i = 0; i < 8 * count; ++i) {
-        const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
-        const uint8_t q0 = s[0 * p],  q1 = s[1 * p],  q2 = s[2 * p],  q3 = s[3 * p];
-        const int8_t mask = filter_mask(*limit, *blimit,
-                                        p3, p2, p1, p0, q0, q1, q2, q3);
-        filter4(mask, *thresh, s - 2 * p, s - 1 * p, s, s + 1 * p);
-        ++s;
-    }
-}
-
-void vp9_lpf_horizontal_4_dual_c(uint8_t *s, int p, const uint8_t *blimit0,
-                                 const uint8_t *limit0, const uint8_t *thresh0,
-                                 const uint8_t *blimit1, const uint8_t *limit1,
-                                 const uint8_t *thresh1) {
-    vp9_lpf_horizontal_4_c(s, p, blimit0, limit0, thresh0, 1);
-    vp9_lpf_horizontal_4_c(s + 8, p, blimit1, limit1, thresh1, 1);
-}
-
-void vp9_lpf_vertical_4_c(uint8_t *s, int pitch, const uint8_t *blimit,
-                          const uint8_t *limit, const uint8_t *thresh,
-                          int count) {
-    int i;
-
-    // loop filter designed to work using chars so that we can make maximum use
-    // of 8 bit simd instructions.
-    for (i = 0; i < 8 * count; ++i) {
-        const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
-        const uint8_t q0 = s[0],  q1 = s[1],  q2 = s[2],  q3 = s[3];
-        const int8_t mask = filter_mask(*limit, *blimit,
-                                        p3, p2, p1, p0, q0, q1, q2, q3);
-        filter4(mask, *thresh, s - 2, s - 1, s, s + 1);
-        s += pitch;
-    }
-}
-
-void vp9_lpf_vertical_4_dual_c(uint8_t *s, int pitch, const uint8_t *blimit0,
-                               const uint8_t *limit0, const uint8_t *thresh0,
-                               const uint8_t *blimit1, const uint8_t *limit1,
-                               const uint8_t *thresh1) {
-    vp9_lpf_vertical_4_c(s, pitch, blimit0, limit0, thresh0, 1);
-    vp9_lpf_vertical_4_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1, 1);
-}
-
-static INLINE void filter8(int8_t mask, uint8_t thresh, uint8_t flat,
-                           uint8_t *op3, uint8_t *op2,
-                           uint8_t *op1, uint8_t *op0,
-                           uint8_t *oq0, uint8_t *oq1,
-                           uint8_t *oq2, uint8_t *oq3) {
-    if (flat && mask) {
-        const uint8_t p3 = *op3, p2 = *op2, p1 = *op1, p0 = *op0;
-        const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3;
-
-        // 7-tap filter [1, 1, 1, 2, 1, 1, 1]
-        *op2 = ROUND_POWER_OF_TWO(p3 + p3 + p3 + 2 * p2 + p1 + p0 + q0, 3);
-        *op1 = ROUND_POWER_OF_TWO(p3 + p3 + p2 + 2 * p1 + p0 + q0 + q1, 3);
-        *op0 = ROUND_POWER_OF_TWO(p3 + p2 + p1 + 2 * p0 + q0 + q1 + q2, 3);
-        *oq0 = ROUND_POWER_OF_TWO(p2 + p1 + p0 + 2 * q0 + q1 + q2 + q3, 3);
-        *oq1 = ROUND_POWER_OF_TWO(p1 + p0 + q0 + 2 * q1 + q2 + q3 + q3, 3);
-        *oq2 = ROUND_POWER_OF_TWO(p0 + q0 + q1 + 2 * q2 + q3 + q3 + q3, 3);
-    } else {
-        filter4(mask, thresh, op1, op0, oq0, oq1);
-    }
-}
-
-void vp9_lpf_horizontal_8_c(uint8_t *s, int p, const uint8_t *blimit,
-                            const uint8_t *limit, const uint8_t *thresh,
-                            int count) {
-    int i;
-
-    // loop filter designed to work using chars so that we can make maximum use
-    // of 8 bit simd instructions.
-    for (i = 0; i < 8 * count; ++i) {
-        const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
-        const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
-
-        const int8_t mask = filter_mask(*limit, *blimit,
-                                        p3, p2, p1, p0, q0, q1, q2, q3);
-        const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
-        filter8(mask, *thresh, flat, s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p,
-                                     s,         s + 1 * p, s + 2 * p, s + 3 * p);
-        ++s;
-    }
-}
-
-void vp9_lpf_horizontal_8_dual_c(uint8_t *s, int p, const uint8_t *blimit0,
-                                 const uint8_t *limit0, const uint8_t *thresh0,
-                                 const uint8_t *blimit1, const uint8_t *limit1,
-                                 const uint8_t *thresh1) {
-    vp9_lpf_horizontal_8_c(s, p, blimit0, limit0, thresh0, 1);
-    vp9_lpf_horizontal_8_c(s + 8, p, blimit1, limit1, thresh1, 1);
-}
-
-void vp9_lpf_vertical_8_c(uint8_t *s, int pitch, const uint8_t *blimit,
-                          const uint8_t *limit, const uint8_t *thresh,
-                          int count) {
-    int i;
-
-    for (i = 0; i < 8 * count; ++i) {
-        const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
-        const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
-        const int8_t mask = filter_mask(*limit, *blimit,
-                                        p3, p2, p1, p0, q0, q1, q2, q3);
-        const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
-        filter8(mask, *thresh, flat, s - 4, s - 3, s - 2, s - 1,
-                                     s,     s + 1, s + 2, s + 3);
-        s += pitch;
-    }
-}
-
-void vp9_lpf_vertical_8_dual_c(uint8_t *s, int pitch, const uint8_t *blimit0,
-                               const uint8_t *limit0, const uint8_t *thresh0,
-                               const uint8_t *blimit1, const uint8_t *limit1,
-                               const uint8_t *thresh1) {
-    vp9_lpf_vertical_8_c(s, pitch, blimit0, limit0, thresh0, 1);
-    vp9_lpf_vertical_8_c(s + 8 * pitch, pitch, blimit1, limit1, thresh1, 1);
-}
-
-static INLINE void filter16(int8_t mask, uint8_t thresh,
-                            uint8_t flat, uint8_t flat2,
-                            uint8_t *op7, uint8_t *op6,
-                            uint8_t *op5, uint8_t *op4,
-                            uint8_t *op3, uint8_t *op2,
-                            uint8_t *op1, uint8_t *op0,
-                            uint8_t *oq0, uint8_t *oq1,
-                            uint8_t *oq2, uint8_t *oq3,
-                            uint8_t *oq4, uint8_t *oq5,
-                            uint8_t *oq6, uint8_t *oq7) {
-    if (flat2 && flat && mask) {
-        const uint8_t p7 = *op7, p6 = *op6, p5 = *op5, p4 = *op4,
-                      p3 = *op3, p2 = *op2, p1 = *op1, p0 = *op0;
-
-        const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3,
-                      q4 = *oq4, q5 = *oq5, q6 = *oq6, q7 = *oq7;
-
-        // 15-tap filter [1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]
-        *op6 = ROUND_POWER_OF_TWO(p7 * 7 + p6 * 2 + p5 + p4 + p3 + p2 + p1 + p0 +
-                                  q0, 4);
-        *op5 = ROUND_POWER_OF_TWO(p7 * 6 + p6 + p5 * 2 + p4 + p3 + p2 + p1 + p0 +
-                                  q0 + q1, 4);
-        *op4 = ROUND_POWER_OF_TWO(p7 * 5 + p6 + p5 + p4 * 2 + p3 + p2 + p1 + p0 +
-                                  q0 + q1 + q2, 4);
-        *op3 = ROUND_POWER_OF_TWO(p7 * 4 + p6 + p5 + p4 + p3 * 2 + p2 + p1 + p0 +
-                                  q0 + q1 + q2 + q3, 4);
-        *op2 = ROUND_POWER_OF_TWO(p7 * 3 + p6 + p5 + p4 + p3 + p2 * 2 + p1 + p0 +
-                                  q0 + q1 + q2 + q3 + q4, 4);
-        *op1 = ROUND_POWER_OF_TWO(p7 * 2 + p6 + p5 + p4 + p3 + p2 + p1 * 2 + p0 +
-                                  q0 + q1 + q2 + q3 + q4 + q5, 4);
-        *op0 = ROUND_POWER_OF_TWO(p7 + p6 + p5 + p4 + p3 + p2 + p1 + p0 * 2 +
-                                  q0 + q1 + q2 + q3 + q4 + q5 + q6, 4);
-        *oq0 = ROUND_POWER_OF_TWO(p6 + p5 + p4 + p3 + p2 + p1 + p0 +
-                                  q0 * 2 + q1 + q2 + q3 + q4 + q5 + q6 + q7, 4);
-        *oq1 = ROUND_POWER_OF_TWO(p5 + p4 + p3 + p2 + p1 + p0 +
-                                  q0 + q1 * 2 + q2 + q3 + q4 + q5 + q6 + q7 * 2, 4);
-        *oq2 = ROUND_POWER_OF_TWO(p4 + p3 + p2 + p1 + p0 +
-                                  q0 + q1 + q2 * 2 + q3 + q4 + q5 + q6 + q7 * 3, 4);
-        *oq3 = ROUND_POWER_OF_TWO(p3 + p2 + p1 + p0 +
-                                  q0 + q1 + q2 + q3 * 2 + q4 + q5 + q6 + q7 * 4, 4);
-        *oq4 = ROUND_POWER_OF_TWO(p2 + p1 + p0 +
-                                  q0 + q1 + q2 + q3 + q4 * 2 + q5 + q6 + q7 * 5, 4);
-        *oq5 = ROUND_POWER_OF_TWO(p1 + p0 +
-                                  q0 + q1 + q2 + q3 + q4 + q5 * 2 + q6 + q7 * 6, 4);
-        *oq6 = ROUND_POWER_OF_TWO(p0 +
-                                  q0 + q1 + q2 + q3 + q4 + q5 + q6 * 2 + q7 * 7, 4);
-    } else {
-        filter8(mask, thresh, flat, op3, op2, op1, op0, oq0, oq1, oq2, oq3);
-    }
-}
-
-void vp9_lpf_horizontal_16_c(uint8_t *s, int p, const uint8_t *blimit,
-                             const uint8_t *limit, const uint8_t *thresh,
-                             int count) {
-    int i;
-
-    // loop filter designed to work using chars so that we can make maximum use
-    // of 8 bit simd instructions.
-    for (i = 0; i < 8 * count; ++i) {
-        const uint8_t p3 = s[-4 * p], p2 = s[-3 * p], p1 = s[-2 * p], p0 = s[-p];
-        const uint8_t q0 = s[0 * p], q1 = s[1 * p], q2 = s[2 * p], q3 = s[3 * p];
-        const int8_t mask = filter_mask(*limit, *blimit,
-                                        p3, p2, p1, p0, q0, q1, q2, q3);
-        const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
-        const int8_t flat2 = flat_mask5(1, s[-8 * p], s[-7 * p], s[-6 * p], s[-5 * p], p0,
-                                        q0, s[4 * p], s[5 * p], s[6 * p], s[7 * p]);
-
-        filter16(mask, *thresh, flat, flat2,
-                 s - 8 * p, s - 7 * p, s - 6 * p, s - 5 * p,
-                 s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p,
-                 s,         s + 1 * p, s + 2 * p, s + 3 * p,
-                 s + 4 * p, s + 5 * p, s + 6 * p, s + 7 * p);
-        ++s;
-    }
-}
-
-static void mb_lpf_vertical_edge_w(uint8_t *s, int p,
-                                   const uint8_t *blimit,
-                                   const uint8_t *limit,
-                                   const uint8_t *thresh,
-                                   int count) {
-    int i;
-
-    for (i = 0; i < count; ++i) {
-        const uint8_t p3 = s[-4], p2 = s[-3], p1 = s[-2], p0 = s[-1];
-        const uint8_t q0 = s[0], q1 = s[1], q2 = s[2], q3 = s[3];
-        const int8_t mask = filter_mask(*limit, *blimit,
-                                        p3, p2, p1, p0, q0, q1, q2, q3);
-        const int8_t flat = flat_mask4(1, p3, p2, p1, p0, q0, q1, q2, q3);
-        const int8_t flat2 = flat_mask5(1, s[-8], s[-7], s[-6], s[-5], p0,
-                                        q0, s[4], s[5], s[6], s[7]);
-
-        filter16(mask, *thresh, flat, flat2,
-                 s - 8, s - 7, s - 6, s - 5, s - 4, s - 3, s - 2, s - 1,
-                 s,     s + 1, s + 2, s + 3, s + 4, s + 5, s + 6, s + 7);
-        s += p;
-    }
-}
-
-void vp9_lpf_vertical_16_c(uint8_t *s, int p, const uint8_t *blimit,
-                           const uint8_t *limit, const uint8_t *thresh) {
-    mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 8);
-}
-
-void vp9_lpf_vertical_16_dual_c(uint8_t *s, int p, const uint8_t *blimit,
-                                const uint8_t *limit, const uint8_t *thresh) {
-    mb_lpf_vertical_edge_w(s, p, blimit, limit, thresh, 16);
-}
-
-
-static void filter_selectively_vert_row2(PLANE_TYPE plane_type,
-                                         uint8_t *s, int pitch,
-                                         unsigned int mask_16x16_l,
-                                         unsigned int mask_8x8_l,
-                                         unsigned int mask_4x4_l,
-                                         unsigned int mask_4x4_int_l,
-                                         const LoopFilterInfoN *lfi_n,
-                                         const uint8_t *lfl) {
-    const int mask_shift = plane_type ? 4 : 8;
-    const int mask_cutoff = plane_type ? 0xf : 0xff;
-    const int lfl_forward = plane_type ? 4 : 8;
-
-    unsigned int mask_16x16_0 = mask_16x16_l & mask_cutoff;
-    unsigned int mask_8x8_0 = mask_8x8_l & mask_cutoff;
-    unsigned int mask_4x4_0 = mask_4x4_l & mask_cutoff;
-    unsigned int mask_4x4_int_0 = mask_4x4_int_l & mask_cutoff;
-    unsigned int mask_16x16_1 = (mask_16x16_l >> mask_shift) & mask_cutoff;
-    unsigned int mask_8x8_1 = (mask_8x8_l >> mask_shift) & mask_cutoff;
-    unsigned int mask_4x4_1 = (mask_4x4_l >> mask_shift) & mask_cutoff;
-    unsigned int mask_4x4_int_1 = (mask_4x4_int_l >> mask_shift) & mask_cutoff;
-    unsigned int mask;
-
-    for (mask = mask_16x16_0 | mask_8x8_0 | mask_4x4_0 | mask_4x4_int_0 |
-         mask_16x16_1 | mask_8x8_1 | mask_4x4_1 | mask_4x4_int_1;
-         mask; mask >>= 1) {
-        const LoopFilterThresh *lfi0 = lfi_n->lfthr + *lfl;
-        const LoopFilterThresh *lfi1 = lfi_n->lfthr + *(lfl + lfl_forward);
-
-        // TODO(yunqingwang): count in loopfilter functions should be removed.
-        if (mask & 1) {
-            if ((mask_16x16_0 | mask_16x16_1) & 1) {
-                if ((mask_16x16_0 & mask_16x16_1) & 1) {
-                    vp9_lpf_vertical_16_dual(s, pitch, lfi0->mblim, lfi0->lim,
-                                             lfi0->hev_thr);
-                } else if (mask_16x16_0 & 1) {
-                    vp9_lpf_vertical_16(s, pitch, lfi0->mblim, lfi0->lim,
-                                        lfi0->hev_thr);
-                } else {
-                    vp9_lpf_vertical_16(s + 8 *pitch, pitch, lfi1->mblim,
-                                        lfi1->lim, lfi1->hev_thr);
-                }
-            }
-
-            if ((mask_8x8_0 | mask_8x8_1) & 1) {
-                if ((mask_8x8_0 & mask_8x8_1) & 1) {
-                    vp9_lpf_vertical_8_dual(s, pitch, lfi0->mblim, lfi0->lim,
-                                            lfi0->hev_thr, lfi1->mblim, lfi1->lim,
-                                            lfi1->hev_thr);
-                } else if (mask_8x8_0 & 1) {
-                    vp9_lpf_vertical_8(s, pitch, lfi0->mblim, lfi0->lim,
-                                       lfi0->hev_thr, 1);
-                } else {
-                    vp9_lpf_vertical_8(s + 8 * pitch, pitch, lfi1->mblim, lfi1->lim,
-                                       lfi1->hev_thr, 1);
-                }
-            }
-
-            if ((mask_4x4_0 | mask_4x4_1) & 1) {
-                if ((mask_4x4_0 & mask_4x4_1) & 1) {
-                    vp9_lpf_vertical_4_dual(s, pitch, lfi0->mblim, lfi0->lim,
-                                            lfi0->hev_thr, lfi1->mblim, lfi1->lim,
-                                            lfi1->hev_thr);
-                } else if (mask_4x4_0 & 1) {
-                    vp9_lpf_vertical_4(s, pitch, lfi0->mblim, lfi0->lim,
-                                       lfi0->hev_thr, 1);
-                } else {
-                    vp9_lpf_vertical_4(s + 8 * pitch, pitch, lfi1->mblim, lfi1->lim,
-                                       lfi1->hev_thr, 1);
-                }
-            }
-
-            if ((mask_4x4_int_0 | mask_4x4_int_1) & 1) {
-                if ((mask_4x4_int_0 & mask_4x4_int_1) & 1) {
-                    vp9_lpf_vertical_4_dual(s + 4, pitch, lfi0->mblim, lfi0->lim,
-                                            lfi0->hev_thr, lfi1->mblim, lfi1->lim,
-                                            lfi1->hev_thr);
-                } else if (mask_4x4_int_0 & 1) {
-                    vp9_lpf_vertical_4(s + 4, pitch, lfi0->mblim, lfi0->lim,
-                                       lfi0->hev_thr, 1);
-                } else {
-                    vp9_lpf_vertical_4(s + 8 * pitch + 4, pitch, lfi1->mblim,
-                                       lfi1->lim, lfi1->hev_thr, 1);
-                }
-            }
-        }
-
-        s += 8;
-        lfl += 1;
-        mask_16x16_0 >>= 1;
-        mask_8x8_0 >>= 1;
-        mask_4x4_0 >>= 1;
-        mask_4x4_int_0 >>= 1;
-        mask_16x16_1 >>= 1;
-        mask_8x8_1 >>= 1;
-        mask_4x4_1 >>= 1;
-        mask_4x4_int_1 >>= 1;
-    }
-}
-
-static void filter_selectively_horiz(uint8_t *s, int pitch,
-                                     unsigned int mask_16x16,
-                                     unsigned int mask_8x8,
-                                     unsigned int mask_4x4,
-                                     unsigned int mask_4x4_int,
-                                     const LoopFilterInfoN *lfi_n,
-                                     const uint8_t *lfl) {
-    unsigned int mask;
-    int count;
-
-    for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int;
-         mask; mask >>= count) {
-        const LoopFilterThresh *lfi = lfi_n->lfthr + *lfl;
-
-        count = 1;
-        if (mask & 1) {
-            if (mask_16x16 & 1) {
-                if ((mask_16x16 & 3) == 3) {
-                    vp9_lpf_horizontal_16(s, pitch, lfi->mblim, lfi->lim,
-                                          lfi->hev_thr, 2);
-                    count = 2;
-                } else {
-                    vp9_lpf_horizontal_16(s, pitch, lfi->mblim, lfi->lim,
-                                          lfi->hev_thr, 1);
-                }
-            } else if (mask_8x8 & 1) {
-                if ((mask_8x8 & 3) == 3) {
-                    // Next block's thresholds
-                    const LoopFilterThresh *lfin = lfi_n->lfthr + *(lfl + 1);
-
-                    vp9_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim,
-                                              lfi->hev_thr, lfin->mblim, lfin->lim,
-                                              lfin->hev_thr);
-
-                    if ((mask_4x4_int & 3) == 3) {
-                        vp9_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim,
-                                                  lfi->lim, lfi->hev_thr, lfin->mblim,
-                                                  lfin->lim, lfin->hev_thr);
-                    } else {
-                        if (mask_4x4_int & 1)
-                            vp9_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
-                                                 lfi->lim, lfi->hev_thr, 1);
-                        else if (mask_4x4_int & 2)
-                            vp9_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
-                                                 lfin->lim, lfin->hev_thr, 1);
-                    }
-                    count = 2;
-                } else {
-                    vp9_lpf_horizontal_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr, 1);
-
-                    if (mask_4x4_int & 1)
-                        vp9_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
-                                             lfi->lim, lfi->hev_thr, 1);
-                }
-            } else if (mask_4x4 & 1) {
-                if ((mask_4x4 & 3) == 3) {
-                    // Next block's thresholds
-                    const LoopFilterThresh *lfin = lfi_n->lfthr + *(lfl + 1);
-
-                    vp9_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim,
-                                              lfi->hev_thr, lfin->mblim, lfin->lim,
-                                              lfin->hev_thr);
-                    if ((mask_4x4_int & 3) == 3) {
-                        vp9_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim,
-                                                  lfi->lim, lfi->hev_thr, lfin->mblim,
-                                                  lfin->lim, lfin->hev_thr);
-                    } else {
-                        if (mask_4x4_int & 1)
-                            vp9_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
-                                                 lfi->lim, lfi->hev_thr, 1);
-                        else if (mask_4x4_int & 2)
-                            vp9_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
-                                                 lfin->lim, lfin->hev_thr, 1);
-                    }
-                    count = 2;
-                } else {
-                    vp9_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr, 1);
-
-                    if (mask_4x4_int & 1)
-                        vp9_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
-                                             lfi->hev_thr, 1);
-                }
-            } else if (mask_4x4_int & 1) {
-                vp9_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
-                                     lfi->hev_thr, 1);
-            }
-        }
-        s += 8 * count;
-        lfl += count;
-        mask_16x16 >>= count;
-        mask_8x8 >>= count;
-        mask_4x4 >>= count;
-        mask_4x4_int >>= count;
-    }
-}
-
-static void filter_block_plane_y(LoopFilterInfoN *lf_info,
-                                 LoopFilterMask *lfm,
-                                 int stride,
-                                 uint8_t *buf,
-                                 int mi_rows,
-                                 int mi_row) {
-    uint8_t* dst0 = buf;
-    int r;  //, c;
-
-    uint64_t mask_16x16 = lfm->left_y[TX_16X16];
-    uint64_t mask_8x8 = lfm->left_y[TX_8X8];
-    uint64_t mask_4x4 = lfm->left_y[TX_4X4];
-    uint64_t mask_4x4_int = lfm->int_4x4_y;
-
-    // Vertical pass: do 2 rows at one time
-    for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < mi_rows; r += 2) {
-        unsigned int mask_16x16_l = mask_16x16 & 0xffff;
-        unsigned int mask_8x8_l = mask_8x8 & 0xffff;
-        unsigned int mask_4x4_l = mask_4x4 & 0xffff;
-        unsigned int mask_4x4_int_l = mask_4x4_int & 0xffff;
-
-        // Disable filtering on the leftmost column
-        filter_selectively_vert_row2(PLANE_TYPE_Y_WITH_DC, buf, stride,
-                mask_16x16_l, mask_8x8_l, mask_4x4_l, mask_4x4_int_l, lf_info,
-                &lfm->lfl_y[r << 3]);
-
-        buf += 16 * stride;
-        mask_16x16 >>= 16;
-        mask_8x8 >>= 16;
-        mask_4x4 >>= 16;
-        mask_4x4_int >>= 16;
-    }
-
-    // Horizontal pass
-    buf = dst0;
-    mask_16x16 = lfm->above_y[TX_16X16];
-    mask_8x8 = lfm->above_y[TX_8X8];
-    mask_4x4 = lfm->above_y[TX_4X4];
-    mask_4x4_int = lfm->int_4x4_y;
-
-    for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < mi_rows; r++) {
-        unsigned int mask_16x16_r;
-        unsigned int mask_8x8_r;
-        unsigned int mask_4x4_r;
-
-        if (mi_row + r == 0) {
-            mask_16x16_r = 0;
-            mask_8x8_r = 0;
-            mask_4x4_r = 0;
-        } else {
-            mask_16x16_r = mask_16x16 & 0xff;
-            mask_8x8_r = mask_8x8 & 0xff;
-            mask_4x4_r = mask_4x4 & 0xff;
-        }
-
-        filter_selectively_horiz(buf, stride, mask_16x16_r, mask_8x8_r,
-                mask_4x4_r, mask_4x4_int & 0xff, lf_info, &lfm->lfl_y[r << 3]);
-
-        buf += 8 * stride;
-        mask_16x16 >>= 8;
-        mask_8x8 >>= 8;
-        mask_4x4 >>= 8;
-        mask_4x4_int >>= 8;
-    }
-}
-
-static void filter_block_plane_uv(LoopFilterInfoN *lf_info,
-                                  LoopFilterMask *lfm,
-                                  int stride,
-                                  uint8_t *buf,
-                                  int mi_rows,
-                                  int mi_row) {
-    uint8_t* dst0 = buf;
-    int r, c;
-
-    uint16_t mask_16x16 = lfm->left_uv[TX_16X16];
-    uint16_t mask_8x8 = lfm->left_uv[TX_8X8];
-    uint16_t mask_4x4 = lfm->left_uv[TX_4X4];
-    uint16_t mask_4x4_int = lfm->int_4x4_uv;
-
-    // Vertical pass: do 2 rows at one time
-    for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < mi_rows; r += 4) {
-
-        for (c = 0; c < (MI_BLOCK_SIZE >> 1); c++) {
-            lfm->lfl_uv[(r << 1) + c] = lfm->lfl_y[(r << 3) + (c << 1)];
-            lfm->lfl_uv[((r + 2) << 1) + c] = lfm->lfl_y[((r + 2) << 3) + (c << 1)];
-        }
-
-        {
-            unsigned int mask_16x16_l = mask_16x16 & 0xff;
-            unsigned int mask_8x8_l = mask_8x8 & 0xff;
-            unsigned int mask_4x4_l = mask_4x4 & 0xff;
-            unsigned int mask_4x4_int_l = mask_4x4_int & 0xff;
-
-            // Disable filtering on the leftmost column
-            filter_selectively_vert_row2(PLANE_TYPE_UV, buf, stride,
-                    mask_16x16_l, mask_8x8_l, mask_4x4_l, mask_4x4_int_l,
-                    lf_info, &lfm->lfl_uv[r << 1]);
-
-            buf += 16 * stride;
-            mask_16x16 >>= 8;
-            mask_8x8 >>= 8;
-            mask_4x4 >>= 8;
-            mask_4x4_int >>= 8;
-        }
-    }
-
-    // Horizontal pass
-    buf = dst0;
-    mask_16x16 = lfm->above_uv[TX_16X16];
-    mask_8x8 = lfm->above_uv[TX_8X8];
-    mask_4x4 = lfm->above_uv[TX_4X4];
-    mask_4x4_int = lfm->int_4x4_uv;
-
-    for (r = 0; r < MI_BLOCK_SIZE && mi_row + r < mi_rows; r += 2) {
-        int skip_border_4x4_r = mi_row + r == mi_rows - 1;
-        unsigned int mask_4x4_int_r = skip_border_4x4_r ? 0 : (mask_4x4_int & 0xf);
-        unsigned int mask_16x16_r;
-        unsigned int mask_8x8_r;
-        unsigned int mask_4x4_r;
-
-        if (mi_row + r == 0) {
-            mask_16x16_r = 0;
-            mask_8x8_r = 0;
-            mask_4x4_r = 0;
-        } else {
-            mask_16x16_r = mask_16x16 & 0xf;
-            mask_8x8_r = mask_8x8 & 0xf;
-            mask_4x4_r = mask_4x4 & 0xf;
-        }
-
-        filter_selectively_horiz(buf, stride, mask_16x16_r, mask_8x8_r,
-                mask_4x4_r, mask_4x4_int_r, lf_info, &lfm->lfl_uv[r << 1]);
-
-        buf += 8 * stride;
-        mask_16x16 >>= 4;
-        mask_8x8 >>= 4;
-        mask_4x4 >>= 4;
-        mask_4x4_int >>= 4;
-    }
-}
-
-static void *vp9_loop_filter_rows_work_proc(void *data) {
-    LoopFilterProgressChart *param = (LoopFilterProgressChart *)data;
-    int wid = android_atomic_inc(&param->wid);
-    int sb_row;
-    int mi_row, mi_col;
-    int lfm_idx;
-    uint8_t *buf_start[MAX_MB_PLANE];
-    uint8_t *buf[MAX_MB_PLANE];
-    BufferInfo *buf_info = &param->buf_info;
-
-    while (!android_atomic_release_load(&param->quit)) {
-        pthread_mutex_lock(&param->mutex[wid]);
-        while (!(android_atomic_and(~(1 << wid), &param->todo) & (1 << wid))) {
-            pthread_cond_wait(&param->start_cond[wid], &param->mutex[wid]);
-        }
-        pthread_mutex_unlock(&param->mutex[wid]);
-
-        if (android_atomic_release_load(&param->quit)) return NULL;
-
-        buf_start[0] = param->buffer_alloc + buf_info->y_offset;
-        buf_start[1] = param->buffer_alloc + buf_info->u_offset;
-        buf_start[2] = param->buffer_alloc + buf_info->v_offset;
-        sb_row = android_atomic_inc(&param->sb_row_pro);
-        mi_row = (sb_row * MI_BLOCK_SIZE) + param->start;
-
-        while (mi_row < param->stop) {
-            buf[0] = buf_start[0] + (mi_row * buf_info->y_stride << 3);
-            buf[1] = buf_start[1] + (mi_row * buf_info->uv_stride << 2);
-            buf[2] = buf_start[2] + (mi_row * buf_info->uv_stride << 2);
-            lfm_idx = sb_row * ((param->mi_cols + 7) >> 3);
-            for (mi_col = 0; mi_col < param->mi_cols; mi_col += MI_BLOCK_SIZE) {
-
-                while (param->chart[sb_row+1] + 2 > android_atomic_release_load(&param->chart[sb_row])) {
-                    usleep(1);
-                }
-
-                filter_block_plane_y(param->lf_info, param->lfms + lfm_idx,
-                                     buf_info->y_stride, buf[0], param->mi_rows,
-                                     mi_row);
-                mi_col += MI_BLOCK_SIZE;
-                if (mi_col < param->mi_cols) {
-                    lfm_idx++;
-                    buf[0] += MI_BLOCK_SIZE * MI_BLOCK_SIZE;
-                    filter_block_plane_y(param->lf_info, param->lfms + lfm_idx,
-                                         buf_info->y_stride, buf[0],
-                                         param->mi_rows, mi_row);
-                }
-                buf[0] += MI_BLOCK_SIZE * MI_BLOCK_SIZE;
-                if (param->num_planes > 1) {
-                    lfm_idx--;
-                    filter_block_plane_uv(param->lf_info, param->lfms + lfm_idx,
-                                          buf_info->uv_stride, buf[1],
-                                          param->mi_rows, mi_row);
-                    filter_block_plane_uv(param->lf_info, param->lfms + lfm_idx,
-                                          buf_info->uv_stride, buf[2],
-                                          param->mi_rows, mi_row);
-                    if (mi_col < param->mi_cols) {
-                        lfm_idx++;
-                        buf[1] += MI_BLOCK_SIZE * MI_BLOCK_SIZE >> 1;
-                        buf[2] += MI_BLOCK_SIZE * MI_BLOCK_SIZE >> 1;
-                        filter_block_plane_uv(param->lf_info,
-                                              param->lfms + lfm_idx,
-                                              buf_info->uv_stride, buf[1],
-                                              param->mi_rows, mi_row);
-                        filter_block_plane_uv(param->lf_info,
-                                              param->lfms + lfm_idx,
-                                              buf_info->uv_stride, buf[2],
-                                              param->mi_rows, mi_row);
-                    }
-                    buf[1] += MI_BLOCK_SIZE * MI_BLOCK_SIZE >> 1;
-                    buf[2] += MI_BLOCK_SIZE * MI_BLOCK_SIZE >> 1;
-                }
-                lfm_idx++;
-                android_atomic_inc(&param->chart[sb_row+1]);
-            }
-            android_atomic_inc(&param->chart[sb_row+1]);
-            sb_row = android_atomic_inc(&param->sb_row_pro);
-            mi_row = (sb_row << 3) + param->start;
-        }
-
-        pthread_mutex_lock(param->hmutex);
-        if ((++param->done) == param->worker_count)
-            pthread_cond_signal(param->finish);
-        pthread_mutex_unlock(param->hmutex);
-    }
-
-    return NULL;
-}
-
-RsdCpuScriptIntrinsicLoopFilter::RsdCpuScriptIntrinsicLoopFilter(
-            RsdCpuReferenceImpl *ctx, const Script *s, const Element *e)
-            : RsdCpuScriptIntrinsic(ctx, s, e, RS_SCRIPT_INTRINSIC_ID_YUV_TO_RGB) {
-    mRootPtr = &kernel;
-    mWorkerCount = sysconf(_SC_NPROCESSORS_ONLN);
-    mPrch.worker_count = mWorkerCount;
-    mPrch.quit = 0;
-    mPrch.wid = 0;
-    mPrch.sb_row_pro = 0;
-    mPrch.todo = 0;
-    mPrch.done = 0;
-    int size = mWorkerCount * sizeof(pthread_t) +
-               mWorkerCount * sizeof(pthread_mutex_t) +
-               mWorkerCount * sizeof(pthread_cond_t) +
-               sizeof(pthread_mutex_t) + sizeof(pthread_cond_t);
-    uint8_t *ptr = (uint8_t *)malloc(size);
-    rsAssert(ptr);
-    mPrch.tid = (pthread_t *)ptr;
-    mPrch.mutex = (pthread_mutex_t *) (mPrch.tid + mWorkerCount);
-    mPrch.start_cond  = (pthread_cond_t *) (mPrch.mutex + mWorkerCount);
-    mPrch.hmutex = (pthread_mutex_t *) (mPrch.start_cond + mWorkerCount);
-    mPrch.finish = (pthread_cond_t *) (mPrch.hmutex + 1);
-    int i = 0;
-    int rv = 0;
-    pthread_mutex_init(mPrch.hmutex, NULL);
-    pthread_cond_init(mPrch.finish, NULL);
-    for (i = 0; i < mWorkerCount; ++i) {
-        pthread_mutex_init(&mPrch.mutex[i], NULL);
-        pthread_cond_init(&mPrch.start_cond[i], NULL);
-    }
-    for (i = 0; i < mWorkerCount; ++i) {
-        rv = pthread_create(&mPrch.tid[i], NULL, &vp9_loop_filter_rows_work_proc, &mPrch);
-        rsAssert(rv == 0);
-    }
-}
-
diff --git a/cpu_ref/vp9_loopfilter_16_neon.S b/cpu_ref/vp9_loopfilter_16_neon.S
deleted file mode 100644
index 490b9b8..0000000
--- a/cpu_ref/vp9_loopfilter_16_neon.S
+++ /dev/null
@@ -1,220 +0,0 @@
-@ This file was created from a .asm file
-@  using the ads2gas.pl script.
-	.equ DO1STROUNDING, 0
-@
-@  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
-@
-@  Use of this source code is governed by a BSD-style license
-@  that can be found in the LICENSE file in the root of the source
-@  tree. An additional intellectual property rights grant can be found
-@  in the file PATENTS.  All contributing project authors may
-@  be found in the AUTHORS file in the root of the source tree.
-@
-@
-@  Copyright (c) 2014 The Android Open Source Project
-@
-@  Licensed under the Apache License, Version 2.0 (the "License");
-@  you may not use this file except in compliance with the License.
-@  You may obtain a copy of the License at
-@
-@      http://www.apache.org/licenses/LICENSE-2.0
-@
-@  Unless required by applicable law or agreed to in writing, software
-@  distributed under the License is distributed on an "AS IS" BASIS,
-@  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@  See the License for the specific language governing permissions and
-@  limitations under the License.
-
-    .global vp9_lpf_horizontal_4_dual_neon
-	.type vp9_lpf_horizontal_4_dual_neon, function
-   .arm
-
-.text
-.p2align 2
-
-@void vp9_lpf_horizontal_4_dual_neon(uint8_t *s, int p,
-@                                    const uint8_t *blimit0,
-@                                    const uint8_t *limit0,
-@                                    const uint8_t *thresh0,
-@                                    const uint8_t *blimit1,
-@                                    const uint8_t *limit1,
-@                                    const uint8_t *thresh1)
-@ r0    uint8_t *s,
-@ r1    int p,
-@ r2    const uint8_t *blimit0,
-@ r3    const uint8_t *limit0,
-@ sp    const uint8_t *thresh0,
-@ sp+4  const uint8_t *blimit1,
-@ sp+8  const uint8_t *limit1,
-@ sp+12 const uint8_t *thresh1,
-
-_vp9_lpf_horizontal_4_dual_neon:
-	vp9_lpf_horizontal_4_dual_neon: @ PROC
-    push        {lr}
-
-    ldr         r12, [sp, #4]              @ load thresh0
-    vld1.8      {d0}, [r2]                 @ load blimit0 to first half q
-    vld1.8      {d2}, [r3]                 @ load limit0 to first half q
-
-    add         r1, r1, r1                 @ double pitch
-    ldr         r2, [sp, #8]               @ load blimit1
-
-    vld1.8      {d4}, [r12]                @ load thresh0 to first half q
-
-    ldr         r3, [sp, #12]              @ load limit1
-    ldr         r12, [sp, #16]             @ load thresh1
-    vld1.8      {d1}, [r2]                 @ load blimit1 to 2nd half q
-
-    sub         r2, r0, r1, lsl #1         @ s[-4 * p]
-
-    vld1.8      {d3}, [r3]                 @ load limit1 to 2nd half q
-    vld1.8      {d5}, [r12]                @ load thresh1 to 2nd half q
-
-    vpush       {d8-d15}                   @ save neon registers
-
-    add         r3, r2, r1, lsr #1         @ s[-3 * p]
-
-    vld1.u8     {q3}, [r2,:64], r1          @ p3
-    vld1.u8     {q4}, [r3,:64], r1          @ p2
-    vld1.u8     {q5}, [r2,:64], r1          @ p1
-    vld1.u8     {q6}, [r3,:64], r1          @ p0
-    vld1.u8     {q7}, [r2,:64], r1          @ q0
-    vld1.u8     {q8}, [r3,:64], r1          @ q1
-    vld1.u8     {q9}, [r2,:64]              @ q2
-    vld1.u8     {q10}, [r3,:64]             @ q3
-
-    sub         r2, r2, r1, lsl #1
-    sub         r3, r3, r1, lsl #1
-
-    bl          vp9_loop_filter_neon_16
-
-    vst1.u8     {q5}, [r2,:64], r1          @ store op1
-    vst1.u8     {q6}, [r3,:64], r1          @ store op0
-    vst1.u8     {q7}, [r2,:64], r1          @ store oq0
-    vst1.u8     {q8}, [r3,:64], r1          @ store oq1
-
-    vpop        {d8-d15}                   @ restore neon registers
-
-    pop         {pc}
-	.size vp9_lpf_horizontal_4_dual_neon, .-vp9_lpf_horizontal_4_dual_neon    @ ENDP        @ |vp9_lpf_horizontal_4_dual_neon|
-
-@ void vp9_loop_filter_neon_16();
-@ This is a helper function for the loopfilters. The invidual functions do the
-@ necessary load, transpose (if necessary) and store. This function uses
-@ registers d8-d15, so the calling function must save those registers.
-@
-@ r0-r3, r12 PRESERVE
-@ q0    blimit
-@ q1    limit
-@ q2    thresh
-@ q3    p3
-@ q4    p2
-@ q5    p1
-@ q6    p0
-@ q7    q0
-@ q8    q1
-@ q9    q2
-@ q10   q3
-@
-@ Outputs:
-@ q5    op1
-@ q6    op0
-@ q7    oq0
-@ q8    oq1
-_vp9_loop_filter_neon_16:
-	vp9_loop_filter_neon_16: @ PROC
-
-    @ filter_mask
-    vabd.u8     q11, q3, q4                 @ m1 = abs(p3 - p2)
-    vabd.u8     q12, q4, q5                 @ m2 = abs(p2 - p1)
-    vabd.u8     q13, q5, q6                 @ m3 = abs(p1 - p0)
-    vabd.u8     q14, q8, q7                 @ m4 = abs(q1 - q0)
-    vabd.u8     q3, q9, q8                  @ m5 = abs(q2 - q1)
-    vabd.u8     q4, q10, q9                 @ m6 = abs(q3 - q2)
-
-    @ only compare the largest value to limit
-    vmax.u8     q11, q11, q12               @ m7 = max(m1, m2)
-    vmax.u8     q12, q13, q14               @ m8 = max(m3, m4)
-
-    vabd.u8     q9, q6, q7                  @ abs(p0 - q0)
-
-    vmax.u8     q3, q3, q4                  @ m9 = max(m5, m6)
-
-    vmov.u8     q10, #0x80
-
-    vmax.u8     q15, q11, q12               @ m10 = max(m7, m8)
-
-    vcgt.u8     q13, q13, q2                @ (abs(p1 - p0) > thresh)*-1
-    vcgt.u8     q14, q14, q2                @ (abs(q1 - q0) > thresh)*-1
-    vmax.u8     q15, q15, q3                @ m11 = max(m10, m9)
-
-    vabd.u8     q2, q5, q8                  @ a = abs(p1 - q1)
-    vqadd.u8    q9, q9, q9                  @ b = abs(p0 - q0) * 2
-
-    veor        q7, q7, q10                 @ qs0
-
-    vcge.u8     q15, q1, q15                @ abs(m11) > limit
-
-    vshr.u8     q2, q2, #1                  @ a = a / 2
-    veor        q6, q6, q10                 @ ps0
-
-    veor        q5, q5, q10                 @ ps1
-    vqadd.u8    q9, q9, q2                  @ a = b + a
-
-    veor        q8, q8, q10                 @ qs1
-
-    vmov.u16    q4, #3
-
-    vsubl.s8    q2, d14, d12                @ ( qs0 - ps0)
-    vsubl.s8    q11, d15, d13
-
-    vcge.u8     q9, q0, q9                  @ a > blimit
-
-    vqsub.s8    q1, q5, q8                  @ filter = clamp(ps1-qs1)
-    vorr        q14, q13, q14               @ hev
-
-    vmul.i16    q2, q2, q4                  @ 3 * ( qs0 - ps0)
-    vmul.i16    q11, q11, q4
-
-    vand        q1, q1, q14                 @ filter &= hev
-    vand        q15, q15, q9                @ mask
-
-    vmov.u8     q4, #3
-
-    vaddw.s8    q2, q2, d2                  @ filter + 3 * (qs0 - ps0)
-    vaddw.s8    q11, q11, d3
-
-    vmov.u8     q9, #4
-
-    @ filter = clamp(filter + 3 * ( qs0 - ps0))
-    vqmovn.s16  d2, q2
-    vqmovn.s16  d3, q11
-    vand        q1, q1, q15                 @ filter &= mask
-
-    vqadd.s8    q2, q1, q4                  @ filter2 = clamp(filter+3)
-    vqadd.s8    q1, q1, q9                  @ filter1 = clamp(filter+4)
-    vshr.s8     q2, q2, #3                  @ filter2 >>= 3
-    vshr.s8     q1, q1, #3                  @ filter1 >>= 3
-
-
-    vqadd.s8    q11, q6, q2                 @ u = clamp(ps0 + filter2)
-    vqsub.s8    q0, q7, q1                  @ u = clamp(qs0 - filter1)
-
-    @ outer tap adjustments
-    vrshr.s8    q1, q1, #1                  @ filter = ++filter1 >> 1
-
-    veor        q7, q0,  q10                @ *oq0 = u^0x80
-
-    vbic        q1, q1, q14                 @ filter &= ~hev
-
-    vqadd.s8    q13, q5, q1                 @ u = clamp(ps1 + filter)
-    vqsub.s8    q12, q8, q1                 @ u = clamp(qs1 - filter)
-
-    veor        q6, q11, q10                @ *op0 = u^0x80
-    veor        q5, q13, q10                @ *op1 = u^0x80
-    veor        q8, q12, q10                @ *oq1 = u^0x80
-
-    bx          lr
-	.size vp9_loop_filter_neon_16, .-vp9_loop_filter_neon_16    @ ENDP        @ |vp9_loop_filter_neon_16|
-
-	.section	.note.GNU-stack,"",%progbits
diff --git a/cpu_ref/vp9_loopfilter_neon.S b/cpu_ref/vp9_loopfilter_neon.S
deleted file mode 100644
index 2a38fda..0000000
--- a/cpu_ref/vp9_loopfilter_neon.S
+++ /dev/null
@@ -1,735 +0,0 @@
-@ This file was created from a .asm file
-@  using the ads2gas.pl script.
-	.equ DO1STROUNDING, 0
-@
-@  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
-@
-@  Use of this source code is governed by a BSD-style license
-@  that can be found in the LICENSE file in the root of the source
-@  tree. An additional intellectual property rights grant can be found
-@  in the file PATENTS.  All contributing project authors may
-@  be found in the AUTHORS file in the root of the source tree.
-@
-@  Copyright (c) 2014 The Android Open Source Project
-@
-@  Licensed under the Apache License, Version 2.0 (the "License");
-@  you may not use this file except in compliance with the License.
-@  You may obtain a copy of the License at
-@
-@      http://www.apache.org/licenses/LICENSE-2.0
-@
-@  Unless required by applicable law or agreed to in writing, software
-@  distributed under the License is distributed on an "AS IS" BASIS,
-@  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@  See the License for the specific language governing permissions and
-@  limitations under the License.
-
-    .global vp9_lpf_horizontal_4_neon
-	.type vp9_lpf_horizontal_4_neon, function
-    .global vp9_lpf_vertical_4_neon
-	.type vp9_lpf_vertical_4_neon, function
-    .global vp9_lpf_horizontal_8_neon
-	.type vp9_lpf_horizontal_8_neon, function
-    .global vp9_lpf_vertical_8_neon
-	.type vp9_lpf_vertical_8_neon, function
-   .arm
-
-.text
-.p2align 2
-
-@ Currently vp9 only works on iterations 8 at a time. The vp8 loop filter
-@ works on 16 iterations at a time.
-@ TODO(fgalligan): See about removing the count code as this function is only
-@ called with a count of 1.
-@
-@ void vp9_lpf_horizontal_4_neon(uint8_t *s,
-@                                int p /* pitch */,
-@                                const uint8_t *blimit,
-@                                const uint8_t *limit,
-@                                const uint8_t *thresh,
-@                                int count)
-@
-@ r0    uint8_t *s,
-@ r1    int p, /* pitch */
-@ r2    const uint8_t *blimit,
-@ r3    const uint8_t *limit,
-@ sp    const uint8_t *thresh,
-@ sp+4  int count
-_vp9_lpf_horizontal_4_neon:
-	vp9_lpf_horizontal_4_neon: @ PROC
-    push        {lr}
-
-    vld1.8      {d0[]}, [r2]               @ duplicate *blimit
-    ldr         r12, [sp, #8]              @ load count
-    ldr         r2, [sp, #4]               @ load thresh
-    add         r1, r1, r1                 @ double pitch
-
-    cmp         r12, #0
-    beq         end_vp9_lf_h_edge
-
-    vld1.8      {d1[]}, [r3]               @ duplicate *limit
-    vld1.8      {d2[]}, [r2]               @ duplicate *thresh
-
-count_lf_h_loop:
-    sub         r2, r0, r1, lsl #1         @ move src pointer down by 4 lines
-    add         r3, r2, r1, lsr #1         @ set to 3 lines down
-
-    vld1.u8     {d3}, [r2,:64], r1          @ p3
-    vld1.u8     {d4}, [r3,:64], r1          @ p2
-    vld1.u8     {d5}, [r2,:64], r1          @ p1
-    vld1.u8     {d6}, [r3,:64], r1          @ p0
-    vld1.u8     {d7}, [r2,:64], r1          @ q0
-    vld1.u8     {d16}, [r3,:64], r1         @ q1
-    vld1.u8     {d17}, [r2,:64]             @ q2
-    vld1.u8     {d18}, [r3,:64]             @ q3
-
-    sub         r2, r2, r1, lsl #1
-    sub         r3, r3, r1, lsl #1
-
-    bl          vp9_loop_filter_neon
-
-    vst1.u8     {d4}, [r2,:64], r1          @ store op1
-    vst1.u8     {d5}, [r3,:64], r1          @ store op0
-    vst1.u8     {d6}, [r2,:64], r1          @ store oq0
-    vst1.u8     {d7}, [r3,:64], r1          @ store oq1
-
-    add         r0, r0, #8
-    subs        r12, r12, #1
-    bne         count_lf_h_loop
-
-end_vp9_lf_h_edge:
-    pop         {pc}
-	.size vp9_lpf_horizontal_4_neon, .-vp9_lpf_horizontal_4_neon    @ ENDP        @ |vp9_lpf_horizontal_4_neon|
-
-@ Currently vp9 only works on iterations 8 at a time. The vp8 loop filter
-@ works on 16 iterations at a time.
-@ TODO(fgalligan): See about removing the count code as this function is only
-@ called with a count of 1.
-@
-@ void vp9_lpf_vertical_4_neon(uint8_t *s,
-@                              int p /* pitch */,
-@                              const uint8_t *blimit,
-@                              const uint8_t *limit,
-@                              const uint8_t *thresh,
-@                              int count)
-@
-@ r0    uint8_t *s,
-@ r1    int p, /* pitch */
-@ r2    const uint8_t *blimit,
-@ r3    const uint8_t *limit,
-@ sp    const uint8_t *thresh,
-@ sp+4  int count
-_vp9_lpf_vertical_4_neon:
-	vp9_lpf_vertical_4_neon: @ PROC
-    push        {lr}
-
-    vld1.8      {d0[]}, [r2]              @ duplicate *blimit
-    ldr         r12, [sp, #8]             @ load count
-    vld1.8      {d1[]}, [r3]              @ duplicate *limit
-
-    ldr         r3, [sp, #4]              @ load thresh
-    sub         r2, r0, #4                @ move s pointer down by 4 columns
-    cmp         r12, #0
-    beq         end_vp9_lf_v_edge
-
-    vld1.8      {d2[]}, [r3]              @ duplicate *thresh
-
-count_lf_v_loop:
-    vld1.u8     {d3}, [r2], r1             @ load s data
-    vld1.u8     {d4}, [r2], r1
-    vld1.u8     {d5}, [r2], r1
-    vld1.u8     {d6}, [r2], r1
-    vld1.u8     {d7}, [r2], r1
-    vld1.u8     {d16}, [r2], r1
-    vld1.u8     {d17}, [r2], r1
-    vld1.u8     {d18}, [r2]
-
-    @transpose to 8x16 matrix
-    vtrn.32     d3, d7
-    vtrn.32     d4, d16
-    vtrn.32     d5, d17
-    vtrn.32     d6, d18
-
-    vtrn.16     d3, d5
-    vtrn.16     d4, d6
-    vtrn.16     d7, d17
-    vtrn.16     d16, d18
-
-    vtrn.8      d3, d4
-    vtrn.8      d5, d6
-    vtrn.8      d7, d16
-    vtrn.8      d17, d18
-
-    bl          vp9_loop_filter_neon
-
-    sub         r0, r0, #2
-
-    @store op1, op0, oq0, oq1
-    vst4.8      {d4[0], d5[0], d6[0], d7[0]}, [r0], r1
-    vst4.8      {d4[1], d5[1], d6[1], d7[1]}, [r0], r1
-    vst4.8      {d4[2], d5[2], d6[2], d7[2]}, [r0], r1
-    vst4.8      {d4[3], d5[3], d6[3], d7[3]}, [r0], r1
-    vst4.8      {d4[4], d5[4], d6[4], d7[4]}, [r0], r1
-    vst4.8      {d4[5], d5[5], d6[5], d7[5]}, [r0], r1
-    vst4.8      {d4[6], d5[6], d6[6], d7[6]}, [r0], r1
-    vst4.8      {d4[7], d5[7], d6[7], d7[7]}, [r0]
-
-    add         r0, r0, r1, lsl #3         @ s += pitch * 8
-    subs        r12, r12, #1
-    subne       r2, r0, #4                 @ move s pointer down by 4 columns
-    bne         count_lf_v_loop
-
-end_vp9_lf_v_edge:
-    pop         {pc}
-	.size vp9_lpf_vertical_4_neon, .-vp9_lpf_vertical_4_neon    @ ENDP        @ |vp9_lpf_vertical_4_neon|
-
-@ void vp9_loop_filter_neon();
-@ This is a helper function for the loopfilters. The invidual functions do the
-@ necessary load, transpose (if necessary) and store. The function does not use
-@ registers d8-d15.
-@
-@ Inputs:
-@ r0-r3, r12 PRESERVE
-@ d0    blimit
-@ d1    limit
-@ d2    thresh
-@ d3    p3
-@ d4    p2
-@ d5    p1
-@ d6    p0
-@ d7    q0
-@ d16   q1
-@ d17   q2
-@ d18   q3
-@
-@ Outputs:
-@ d4    op1
-@ d5    op0
-@ d6    oq0
-@ d7    oq1
-_vp9_loop_filter_neon:
-	vp9_loop_filter_neon: @ PROC
-    @ filter_mask
-    vabd.u8     d19, d3, d4                 @ m1 = abs(p3 - p2)
-    vabd.u8     d20, d4, d5                 @ m2 = abs(p2 - p1)
-    vabd.u8     d21, d5, d6                 @ m3 = abs(p1 - p0)
-    vabd.u8     d22, d16, d7                @ m4 = abs(q1 - q0)
-    vabd.u8     d3, d17, d16                @ m5 = abs(q2 - q1)
-    vabd.u8     d4, d18, d17                @ m6 = abs(q3 - q2)
-
-    @ only compare the largest value to limit
-    vmax.u8     d19, d19, d20               @ m1 = max(m1, m2)
-    vmax.u8     d20, d21, d22               @ m2 = max(m3, m4)
-
-    vabd.u8     d17, d6, d7                 @ abs(p0 - q0)
-
-    vmax.u8     d3, d3, d4                  @ m3 = max(m5, m6)
-
-    vmov.u8     d18, #0x80
-
-    vmax.u8     d23, d19, d20               @ m1 = max(m1, m2)
-
-    @ hevmask
-    vcgt.u8     d21, d21, d2                @ (abs(p1 - p0) > thresh)*-1
-    vcgt.u8     d22, d22, d2                @ (abs(q1 - q0) > thresh)*-1
-    vmax.u8     d23, d23, d3                @ m1 = max(m1, m3)
-
-    vabd.u8     d28, d5, d16                @ a = abs(p1 - q1)
-    vqadd.u8    d17, d17, d17               @ b = abs(p0 - q0) * 2
-
-    veor        d7, d7, d18                 @ qs0
-
-    vcge.u8     d23, d1, d23                @ abs(m1) > limit
-
-    @ filter() function
-    @ convert to signed
-
-    vshr.u8     d28, d28, #1                @ a = a / 2
-    veor        d6, d6, d18                 @ ps0
-
-    veor        d5, d5, d18                 @ ps1
-    vqadd.u8    d17, d17, d28               @ a = b + a
-
-    veor        d16, d16, d18               @ qs1
-
-    vmov.u8     d19, #3
-
-    vsub.s8     d28, d7, d6                 @ ( qs0 - ps0)
-
-    vcge.u8     d17, d0, d17                @ a > blimit
-
-    vqsub.s8    d27, d5, d16                @ filter = clamp(ps1-qs1)
-    vorr        d22, d21, d22               @ hevmask
-
-    vmull.s8    q12, d28, d19               @ 3 * ( qs0 - ps0)
-
-    vand        d27, d27, d22               @ filter &= hev
-    vand        d23, d23, d17               @ filter_mask
-
-    vaddw.s8    q12, q12, d27               @ filter + 3 * (qs0 - ps0)
-
-    vmov.u8     d17, #4
-
-    @ filter = clamp(filter + 3 * ( qs0 - ps0))
-    vqmovn.s16  d27, q12
-
-    vand        d27, d27, d23               @ filter &= mask
-
-    vqadd.s8    d28, d27, d19               @ filter2 = clamp(filter+3)
-    vqadd.s8    d27, d27, d17               @ filter1 = clamp(filter+4)
-    vshr.s8     d28, d28, #3                @ filter2 >>= 3
-    vshr.s8     d27, d27, #3                @ filter1 >>= 3
-
-    vqadd.s8    d19, d6, d28                @ u = clamp(ps0 + filter2)
-    vqsub.s8    d26, d7, d27                @ u = clamp(qs0 - filter1)
-
-    @ outer tap adjustments
-    vrshr.s8    d27, d27, #1                @ filter = ++filter1 >> 1
-
-    veor        d6, d26, d18                @ *oq0 = u^0x80
-
-    vbic        d27, d27, d22               @ filter &= ~hev
-
-    vqadd.s8    d21, d5, d27                @ u = clamp(ps1 + filter)
-    vqsub.s8    d20, d16, d27               @ u = clamp(qs1 - filter)
-
-    veor        d5, d19, d18                @ *op0 = u^0x80
-    veor        d4, d21, d18                @ *op1 = u^0x80
-    veor        d7, d20, d18                @ *oq1 = u^0x80
-
-    bx          lr
-	.size vp9_loop_filter_neon, .-vp9_loop_filter_neon    @ ENDP        @ |vp9_loop_filter_neon|
-
-@ void vp9_lpf_horizontal_8_neon(uint8_t *s, int p,
-@                                const uint8_t *blimit,
-@                                const uint8_t *limit,
-@                                const uint8_t *thresh,
-@                                int count)
-@ r0    uint8_t *s,
-@ r1    int p, /* pitch */
-@ r2    const uint8_t *blimit,
-@ r3    const uint8_t *limit,
-@ sp    const uint8_t *thresh,
-@ sp+4  int count
-_vp9_lpf_horizontal_8_neon:
-	vp9_lpf_horizontal_8_neon: @ PROC
-    push        {r4-r5, lr}
-
-    vld1.8      {d0[]}, [r2]               @ duplicate *blimit
-    ldr         r12, [sp, #16]             @ load count
-    ldr         r2, [sp, #12]              @ load thresh
-    add         r1, r1, r1                 @ double pitch
-
-    cmp         r12, #0
-    beq         end_vp9_mblf_h_edge
-
-    vld1.8      {d1[]}, [r3]               @ duplicate *limit
-    vld1.8      {d2[]}, [r2]               @ duplicate *thresh
-
-count_mblf_h_loop:
-    sub         r3, r0, r1, lsl #1         @ move src pointer down by 4 lines
-    add         r2, r3, r1, lsr #1         @ set to 3 lines down
-
-    vld1.u8     {d3}, [r3,:64], r1          @ p3
-    vld1.u8     {d4}, [r2,:64], r1          @ p2
-    vld1.u8     {d5}, [r3,:64], r1          @ p1
-    vld1.u8     {d6}, [r2,:64], r1          @ p0
-    vld1.u8     {d7}, [r3,:64], r1          @ q0
-    vld1.u8     {d16}, [r2,:64], r1         @ q1
-    vld1.u8     {d17}, [r3,:64]             @ q2
-    vld1.u8     {d18}, [r2,:64], r1         @ q3
-
-    sub         r3, r3, r1, lsl #1
-    sub         r2, r2, r1, lsl #2
-
-    bl          vp9_mbloop_filter_neon
-
-    vst1.u8     {d0}, [r2,:64], r1          @ store op2
-    vst1.u8     {d1}, [r3,:64], r1          @ store op1
-    vst1.u8     {d2}, [r2,:64], r1          @ store op0
-    vst1.u8     {d3}, [r3,:64], r1          @ store oq0
-    vst1.u8     {d4}, [r2,:64], r1          @ store oq1
-    vst1.u8     {d5}, [r3,:64], r1          @ store oq2
-
-    add         r0, r0, #8
-    subs        r12, r12, #1
-    bne         count_mblf_h_loop
-
-end_vp9_mblf_h_edge:
-    pop         {r4-r5, pc}
-
-	.size vp9_lpf_horizontal_8_neon, .-vp9_lpf_horizontal_8_neon    @ ENDP        @ |vp9_lpf_horizontal_8_neon|
-
-@ void vp9_lpf_vertical_8_neon(uint8_t *s,
-@                              int pitch,
-@                              const uint8_t *blimit,
-@                              const uint8_t *limit,
-@                              const uint8_t *thresh,
-@                              int count)
-@
-@ r0    uint8_t *s,
-@ r1    int pitch,
-@ r2    const uint8_t *blimit,
-@ r3    const uint8_t *limit,
-@ sp    const uint8_t *thresh,
-@ sp+4  int count
-_vp9_lpf_vertical_8_neon:
-	vp9_lpf_vertical_8_neon: @ PROC
-    push        {r4-r5, lr}
-
-    vld1.8      {d0[]}, [r2]              @ duplicate *blimit
-    ldr         r12, [sp, #16]            @ load count
-    vld1.8      {d1[]}, [r3]              @ duplicate *limit
-
-    ldr         r3, [sp, #12]             @ load thresh
-    sub         r2, r0, #4                @ move s pointer down by 4 columns
-    cmp         r12, #0
-    beq         end_vp9_mblf_v_edge
-
-    vld1.8      {d2[]}, [r3]              @ duplicate *thresh
-
-count_mblf_v_loop:
-    vld1.u8     {d3}, [r2], r1             @ load s data
-    vld1.u8     {d4}, [r2], r1
-    vld1.u8     {d5}, [r2], r1
-    vld1.u8     {d6}, [r2], r1
-    vld1.u8     {d7}, [r2], r1
-    vld1.u8     {d16}, [r2], r1
-    vld1.u8     {d17}, [r2], r1
-    vld1.u8     {d18}, [r2]
-
-    @transpose to 8x16 matrix
-    vtrn.32     d3, d7
-    vtrn.32     d4, d16
-    vtrn.32     d5, d17
-    vtrn.32     d6, d18
-
-    vtrn.16     d3, d5
-    vtrn.16     d4, d6
-    vtrn.16     d7, d17
-    vtrn.16     d16, d18
-
-    vtrn.8      d3, d4
-    vtrn.8      d5, d6
-    vtrn.8      d7, d16
-    vtrn.8      d17, d18
-
-    sub         r2, r0, #3
-    add         r3, r0, #1
-
-    bl          vp9_mbloop_filter_neon
-
-    @store op2, op1, op0, oq0
-    vst4.8      {d0[0], d1[0], d2[0], d3[0]}, [r2], r1
-    vst4.8      {d0[1], d1[1], d2[1], d3[1]}, [r2], r1
-    vst4.8      {d0[2], d1[2], d2[2], d3[2]}, [r2], r1
-    vst4.8      {d0[3], d1[3], d2[3], d3[3]}, [r2], r1
-    vst4.8      {d0[4], d1[4], d2[4], d3[4]}, [r2], r1
-    vst4.8      {d0[5], d1[5], d2[5], d3[5]}, [r2], r1
-    vst4.8      {d0[6], d1[6], d2[6], d3[6]}, [r2], r1
-    vst4.8      {d0[7], d1[7], d2[7], d3[7]}, [r2]
-
-    @store oq1, oq2
-    vst2.8      {d4[0], d5[0]}, [r3], r1
-    vst2.8      {d4[1], d5[1]}, [r3], r1
-    vst2.8      {d4[2], d5[2]}, [r3], r1
-    vst2.8      {d4[3], d5[3]}, [r3], r1
-    vst2.8      {d4[4], d5[4]}, [r3], r1
-    vst2.8      {d4[5], d5[5]}, [r3], r1
-    vst2.8      {d4[6], d5[6]}, [r3], r1
-    vst2.8      {d4[7], d5[7]}, [r3]
-
-    add         r0, r0, r1, lsl #3         @ s += pitch * 8
-    subs        r12, r12, #1
-    subne       r2, r0, #4                 @ move s pointer down by 4 columns
-    bne         count_mblf_v_loop
-
-end_vp9_mblf_v_edge:
-    pop         {r4-r5, pc}
-	.size vp9_lpf_vertical_8_neon, .-vp9_lpf_vertical_8_neon    @ ENDP        @ |vp9_lpf_vertical_8_neon|
-
-@ void vp9_mbloop_filter_neon();
-@ This is a helper function for the loopfilters. The invidual functions do the
-@ necessary load, transpose (if necessary) and store. The function does not use
-@ registers d8-d15.
-@
-@ Inputs:
-@ r0-r3, r12 PRESERVE
-@ d0    blimit
-@ d1    limit
-@ d2    thresh
-@ d3    p3
-@ d4    p2
-@ d5    p1
-@ d6    p0
-@ d7    q0
-@ d16   q1
-@ d17   q2
-@ d18   q3
-@
-@ Outputs:
-@ d0    op2
-@ d1    op1
-@ d2    op0
-@ d3    oq0
-@ d4    oq1
-@ d5    oq2
-_vp9_mbloop_filter_neon:
-	vp9_mbloop_filter_neon: @ PROC
-    @ filter_mask
-    vabd.u8     d19, d3, d4                @ m1 = abs(p3 - p2)
-    vabd.u8     d20, d4, d5                @ m2 = abs(p2 - p1)
-    vabd.u8     d21, d5, d6                @ m3 = abs(p1 - p0)
-    vabd.u8     d22, d16, d7               @ m4 = abs(q1 - q0)
-    vabd.u8     d23, d17, d16              @ m5 = abs(q2 - q1)
-    vabd.u8     d24, d18, d17              @ m6 = abs(q3 - q2)
-
-    @ only compare the largest value to limit
-    vmax.u8     d19, d19, d20              @ m1 = max(m1, m2)
-    vmax.u8     d20, d21, d22              @ m2 = max(m3, m4)
-
-    vabd.u8     d25, d6, d4                @ m7 = abs(p0 - p2)
-
-    vmax.u8     d23, d23, d24              @ m3 = max(m5, m6)
-
-    vabd.u8     d26, d7, d17               @ m8 = abs(q0 - q2)
-
-    vmax.u8     d19, d19, d20
-
-    vabd.u8     d24, d6, d7                @ m9 = abs(p0 - q0)
-    vabd.u8     d27, d3, d6                @ m10 = abs(p3 - p0)
-    vabd.u8     d28, d18, d7               @ m11 = abs(q3 - q0)
-
-    vmax.u8     d19, d19, d23
-
-    vabd.u8     d23, d5, d16               @ a = abs(p1 - q1)
-    vqadd.u8    d24, d24, d24              @ b = abs(p0 - q0) * 2
-
-    @ abs () > limit
-    vcge.u8     d19, d1, d19
-
-    @ only compare the largest value to thresh
-    vmax.u8     d25, d25, d26              @ m4 = max(m7, m8)
-    vmax.u8     d26, d27, d28              @ m5 = max(m10, m11)
-
-    vshr.u8     d23, d23, #1               @ a = a / 2
-
-    vmax.u8     d25, d25, d26              @ m4 = max(m4, m5)
-
-    vqadd.u8    d24, d24, d23              @ a = b + a
-
-    vmax.u8     d20, d20, d25              @ m2 = max(m2, m4)
-
-    vmov.u8     d23, #1
-    vcge.u8     d24, d0, d24               @ a > blimit
-
-    vcgt.u8     d21, d21, d2               @ (abs(p1 - p0) > thresh)*-1
-
-    vcge.u8     d20, d23, d20              @ flat
-
-    vand        d19, d19, d24              @ mask
-
-    vcgt.u8     d23, d22, d2               @ (abs(q1 - q0) > thresh)*-1
-
-    vand        d20, d20, d19              @ flat & mask
-
-    vmov.u8     d22, #0x80
-
-    vorr        d23, d21, d23              @ hev
-
-    @ This instruction will truncate the "flat & mask" masks down to 4 bits
-    @ each to fit into one 32 bit arm register. The values are stored in
-    @ q10.64[0].
-    vshrn.u16   d30, q10, #4
-    vmov.u32    r4, d30[0]                 @ flat & mask 4bits
-
-    adds        r5, r4, #1                 @ Check for all 1's
-
-    @ If mask and flat are 1's for all vectors, then we only need to execute
-    @ the power branch for all vectors.
-    beq         power_branch_only
-
-    cmp         r4, #0                     @ Check for 0, set flag for later
-
-    @ mbfilter() function
-    @ filter() function
-    @ convert to signed
-    veor        d21, d7, d22               @ qs0
-    veor        d24, d6, d22               @ ps0
-    veor        d25, d5, d22               @ ps1
-    veor        d26, d16, d22              @ qs1
-
-    vmov.u8     d27, #3
-
-    vsub.s8     d28, d21, d24              @ ( qs0 - ps0)
-
-    vqsub.s8    d29, d25, d26              @ filter = clamp(ps1-qs1)
-
-    vmull.s8    q15, d28, d27              @ 3 * ( qs0 - ps0)
-
-    vand        d29, d29, d23              @ filter &= hev
-
-    vaddw.s8    q15, q15, d29              @ filter + 3 * (qs0 - ps0)
-
-    vmov.u8     d29, #4
-
-    @ filter = clamp(filter + 3 * ( qs0 - ps0))
-    vqmovn.s16  d28, q15
-
-    vand        d28, d28, d19              @ filter &= mask
-
-    vqadd.s8    d30, d28, d27              @ filter2 = clamp(filter+3)
-    vqadd.s8    d29, d28, d29              @ filter1 = clamp(filter+4)
-    vshr.s8     d30, d30, #3               @ filter2 >>= 3
-    vshr.s8     d29, d29, #3               @ filter1 >>= 3
-
-    vqadd.s8    d24, d24, d30              @ op0 = clamp(ps0 + filter2)
-    vqsub.s8    d21, d21, d29              @ oq0 = clamp(qs0 - filter1)
-
-    @ outer tap adjustments: ++filter1 >> 1
-    vrshr.s8    d29, d29, #1
-    vbic        d29, d29, d23              @ filter &= ~hev
-
-    vqadd.s8    d25, d25, d29              @ op1 = clamp(ps1 + filter)
-    vqsub.s8    d26, d26, d29              @ oq1 = clamp(qs1 - filter)
-
-    @ If mask and flat are 0's for all vectors, then we only need to execute
-    @ the filter branch for all vectors.
-    beq         filter_branch_only
-
-    @ If mask and flat are mixed then we must perform both branches and
-    @ combine the data.
-    veor        d24, d24, d22              @ *f_op0 = u^0x80
-    veor        d21, d21, d22              @ *f_oq0 = u^0x80
-    veor        d25, d25, d22              @ *f_op1 = u^0x80
-    veor        d26, d26, d22              @ *f_oq1 = u^0x80
-
-    @ At this point we have already executed the filter branch. The filter
-    @ branch does not set op2 or oq2, so use p2 and q2. Execute the power
-    @ branch and combine the data.
-    vmov.u8     d23, #2
-    vaddl.u8    q14, d6, d7                @ r_op2 = p0 + q0
-    vmlal.u8    q14, d3, d27               @ r_op2 += p3 * 3
-    vmlal.u8    q14, d4, d23               @ r_op2 += p2 * 2
-
-    vbif        d0, d4, d20                @ op2 |= p2 & ~(flat & mask)
-
-    vaddw.u8    q14, d5                    @ r_op2 += p1
-
-    vbif        d1, d25, d20               @ op1 |= f_op1 & ~(flat & mask)
-
-    vqrshrn.u16 d30, q14, #3               @ r_op2
-
-    vsubw.u8    q14, d3                    @ r_op1 = r_op2 - p3
-    vsubw.u8    q14, d4                    @ r_op1 -= p2
-    vaddw.u8    q14, d5                    @ r_op1 += p1
-    vaddw.u8    q14, d16                   @ r_op1 += q1
-
-    vbif        d2, d24, d20               @ op0 |= f_op0 & ~(flat & mask)
-
-    vqrshrn.u16 d31, q14, #3               @ r_op1
-
-    vsubw.u8    q14, d3                    @ r_op0 = r_op1 - p3
-    vsubw.u8    q14, d5                    @ r_op0 -= p1
-    vaddw.u8    q14, d6                    @ r_op0 += p0
-    vaddw.u8    q14, d17                   @ r_op0 += q2
-
-    vbit        d0, d30, d20               @ op2 |= r_op2 & (flat & mask)
-
-    vqrshrn.u16 d23, q14, #3               @ r_op0
-
-    vsubw.u8    q14, d3                    @ r_oq0 = r_op0 - p3
-    vsubw.u8    q14, d6                    @ r_oq0 -= p0
-    vaddw.u8    q14, d7                    @ r_oq0 += q0
-
-    vbit        d1, d31, d20               @ op1 |= r_op1 & (flat & mask)
-
-    vaddw.u8    q14, d18                   @ oq0 += q3
-
-    vbit        d2, d23, d20               @ op0 |= r_op0 & (flat & mask)
-
-    vqrshrn.u16 d22, q14, #3               @ r_oq0
-
-    vsubw.u8    q14, d4                    @ r_oq1 = r_oq0 - p2
-    vsubw.u8    q14, d7                    @ r_oq1 -= q0
-    vaddw.u8    q14, d16                   @ r_oq1 += q1
-
-    vbif        d3, d21, d20               @ oq0 |= f_oq0 & ~(flat & mask)
-
-    vaddw.u8    q14, d18                   @ r_oq1 += q3
-
-    vbif        d4, d26, d20               @ oq1 |= f_oq1 & ~(flat & mask)
-
-    vqrshrn.u16 d6, q14, #3                @ r_oq1
-
-    vsubw.u8    q14, d5                    @ r_oq2 = r_oq1 - p1
-    vsubw.u8    q14, d16                   @ r_oq2 -= q1
-    vaddw.u8    q14, d17                   @ r_oq2 += q2
-    vaddw.u8    q14, d18                   @ r_oq2 += q3
-
-    vbif        d5, d17, d20               @ oq2 |= q2 & ~(flat & mask)
-
-    vqrshrn.u16 d7, q14, #3                @ r_oq2
-
-    vbit        d3, d22, d20               @ oq0 |= r_oq0 & (flat & mask)
-    vbit        d4, d6, d20                @ oq1 |= r_oq1 & (flat & mask)
-    vbit        d5, d7, d20                @ oq2 |= r_oq2 & (flat & mask)
-
-    bx          lr
-
-power_branch_only:
-    vmov.u8     d27, #3
-    vmov.u8     d21, #2
-    vaddl.u8    q14, d6, d7                @ op2 = p0 + q0
-    vmlal.u8    q14, d3, d27               @ op2 += p3 * 3
-    vmlal.u8    q14, d4, d21               @ op2 += p2 * 2
-    vaddw.u8    q14, d5                    @ op2 += p1
-    vqrshrn.u16 d0, q14, #3                @ op2
-
-    vsubw.u8    q14, d3                    @ op1 = op2 - p3
-    vsubw.u8    q14, d4                    @ op1 -= p2
-    vaddw.u8    q14, d5                    @ op1 += p1
-    vaddw.u8    q14, d16                   @ op1 += q1
-    vqrshrn.u16 d1, q14, #3                @ op1
-
-    vsubw.u8    q14, d3                    @ op0 = op1 - p3
-    vsubw.u8    q14, d5                    @ op0 -= p1
-    vaddw.u8    q14, d6                    @ op0 += p0
-    vaddw.u8    q14, d17                   @ op0 += q2
-    vqrshrn.u16 d2, q14, #3                @ op0
-
-    vsubw.u8    q14, d3                    @ oq0 = op0 - p3
-    vsubw.u8    q14, d6                    @ oq0 -= p0
-    vaddw.u8    q14, d7                    @ oq0 += q0
-    vaddw.u8    q14, d18                   @ oq0 += q3
-    vqrshrn.u16 d3, q14, #3                @ oq0
-
-    vsubw.u8    q14, d4                    @ oq1 = oq0 - p2
-    vsubw.u8    q14, d7                    @ oq1 -= q0
-    vaddw.u8    q14, d16                   @ oq1 += q1
-    vaddw.u8    q14, d18                   @ oq1 += q3
-    vqrshrn.u16 d4, q14, #3                @ oq1
-
-    vsubw.u8    q14, d5                    @ oq2 = oq1 - p1
-    vsubw.u8    q14, d16                   @ oq2 -= q1
-    vaddw.u8    q14, d17                   @ oq2 += q2
-    vaddw.u8    q14, d18                   @ oq2 += q3
-    vqrshrn.u16 d5, q14, #3                @ oq2
-
-    bx          lr
-
-filter_branch_only:
-    @ TODO(fgalligan): See if we can rearange registers so we do not need to
-    @ do the 2 vswp.
-    vswp        d0, d4                      @ op2
-    vswp        d5, d17                     @ oq2
-    veor        d2, d24, d22                @ *op0 = u^0x80
-    veor        d3, d21, d22                @ *oq0 = u^0x80
-    veor        d1, d25, d22                @ *op1 = u^0x80
-    veor        d4, d26, d22                @ *oq1 = u^0x80
-
-    bx          lr
-
-	.size vp9_mbloop_filter_neon, .-vp9_mbloop_filter_neon    @ ENDP        @ |vp9_mbloop_filter_neon|
-
-	.section	.note.GNU-stack,"",%progbits
diff --git a/cpu_ref/vp9_mb_lpf_neon.S b/cpu_ref/vp9_mb_lpf_neon.S
deleted file mode 100644
index ea20cba..0000000
--- a/cpu_ref/vp9_mb_lpf_neon.S
+++ /dev/null
@@ -1,625 +0,0 @@
-@ This file was created from a .asm file
-@  using the ads2gas.pl script.
-	.equ DO1STROUNDING, 0
-@
-@  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
-@
-@  Use of this source code is governed by a BSD-style license
-@  that can be found in the LICENSE file in the root of the source
-@  tree. An additional intellectual property rights grant can be found
-@  in the file PATENTS.  All contributing project authors may
-@  be found in the AUTHORS file in the root of the source tree.
-@
-@  Copyright (c) 2014 The Android Open Source Project
-@
-@  Licensed under the Apache License, Version 2.0 (the "License")
-@  you may not use this file except in compliance with the License.
-@  You may obtain a copy of the License at
-@
-@      http://www.apache.org/licenses/LICENSE-2.0
-@
-@  Unless required by applicable law or agreed to in writing, software
-@  distributed under the License is distributed on an "AS IS" BASIS,
-@  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@  See the License for the specific language governing permissions and
-@  limitations under the License.
-
-    .global vp9_lpf_horizontal_16_neon
-	.type vp9_lpf_horizontal_16_neon, function
-    .global vp9_lpf_vertical_16_neon
-	.type vp9_lpf_vertical_16_neon, function
-   .arm
-
-.text
-.p2align 2
-
-@ void vp9_lpf_horizontal_16_neon(uint8_t *s, int p,
-@                                 const uint8_t *blimit,
-@                                 const uint8_t *limit,
-@                                 const uint8_t *thresh
-@                                 int count)
-@ r0    uint8_t *s,
-@ r1    int p, /* pitch */
-@ r2    const uint8_t *blimit,
-@ r3    const uint8_t *limit,
-@ sp    const uint8_t *thresh,
-_vp9_lpf_horizontal_16_neon:
-	vp9_lpf_horizontal_16_neon: @ PROC
-    push        {r4-r8, lr}
-    vpush       {d8-d15}
-    ldr         r4, [sp, #88]              @ load thresh
-    ldr         r12, [sp, #92]             @ load count
-
-h_count:
-    vld1.8      {d16[]}, [r2]              @ load *blimit
-    vld1.8      {d17[]}, [r3]              @ load *limit
-    vld1.8      {d18[]}, [r4]              @ load *thresh
-
-    sub         r8, r0, r1, lsl #3         @ move src pointer down by 8 lines
-
-    vld1.u8     {d0}, [r8,:64], r1          @ p7
-    vld1.u8     {d1}, [r8,:64], r1          @ p6
-    vld1.u8     {d2}, [r8,:64], r1          @ p5
-    vld1.u8     {d3}, [r8,:64], r1          @ p4
-    vld1.u8     {d4}, [r8,:64], r1          @ p3
-    vld1.u8     {d5}, [r8,:64], r1          @ p2
-    vld1.u8     {d6}, [r8,:64], r1          @ p1
-    vld1.u8     {d7}, [r8,:64], r1          @ p0
-    vld1.u8     {d8}, [r8,:64], r1          @ q0
-    vld1.u8     {d9}, [r8,:64], r1          @ q1
-    vld1.u8     {d10}, [r8,:64], r1         @ q2
-    vld1.u8     {d11}, [r8,:64], r1         @ q3
-    vld1.u8     {d12}, [r8,:64], r1         @ q4
-    vld1.u8     {d13}, [r8,:64], r1         @ q5
-    vld1.u8     {d14}, [r8,:64], r1         @ q6
-    vld1.u8     {d15}, [r8,:64], r1         @ q7
-
-    bl          vp9_wide_mbfilter_neon
-
-    tst         r7, #1
-    beq         h_mbfilter
-
-    @ flat && mask were not set for any of the channels. Just store the values
-    @ from filter.
-    sub         r8, r0, r1, lsl #1
-
-    vst1.u8     {d25}, [r8,:64], r1         @ store op1
-    vst1.u8     {d24}, [r8,:64], r1         @ store op0
-    vst1.u8     {d23}, [r8,:64], r1         @ store oq0
-    vst1.u8     {d26}, [r8,:64], r1         @ store oq1
-
-    b           h_next
-
-h_mbfilter:
-    tst         r7, #2
-    beq         h_wide_mbfilter
-
-    @ flat2 was not set for any of the channels. Just store the values from
-    @ mbfilter.
-    sub         r8, r0, r1, lsl #1
-    sub         r8, r8, r1
-
-    vst1.u8     {d18}, [r8,:64], r1         @ store op2
-    vst1.u8     {d19}, [r8,:64], r1         @ store op1
-    vst1.u8     {d20}, [r8,:64], r1         @ store op0
-    vst1.u8     {d21}, [r8,:64], r1         @ store oq0
-    vst1.u8     {d22}, [r8,:64], r1         @ store oq1
-    vst1.u8     {d23}, [r8,:64], r1         @ store oq2
-
-    b           h_next
-
-h_wide_mbfilter:
-    sub         r8, r0, r1, lsl #3
-    add         r8, r8, r1
-
-    vst1.u8     {d16}, [r8,:64], r1         @ store op6
-    vst1.u8     {d24}, [r8,:64], r1         @ store op5
-    vst1.u8     {d25}, [r8,:64], r1         @ store op4
-    vst1.u8     {d26}, [r8,:64], r1         @ store op3
-    vst1.u8     {d27}, [r8,:64], r1         @ store op2
-    vst1.u8     {d18}, [r8,:64], r1         @ store op1
-    vst1.u8     {d19}, [r8,:64], r1         @ store op0
-    vst1.u8     {d20}, [r8,:64], r1         @ store oq0
-    vst1.u8     {d21}, [r8,:64], r1         @ store oq1
-    vst1.u8     {d22}, [r8,:64], r1         @ store oq2
-    vst1.u8     {d23}, [r8,:64], r1         @ store oq3
-    vst1.u8     {d1}, [r8,:64], r1          @ store oq4
-    vst1.u8     {d2}, [r8,:64], r1          @ store oq5
-    vst1.u8     {d3}, [r8,:64], r1          @ store oq6
-
-h_next:
-    add         r0, r0, #8
-    subs        r12, r12, #1
-    bne         h_count
-
-    vpop        {d8-d15}
-    pop         {r4-r8, pc}
-
-	.size vp9_lpf_horizontal_16_neon, .-vp9_lpf_horizontal_16_neon    @ ENDP        @ |vp9_lpf_horizontal_16_neon|
-
-@ void vp9_lpf_vertical_16_neon(uint8_t *s, int p,
-@                               const uint8_t *blimit,
-@                               const uint8_t *limit,
-@                               const uint8_t *thresh)
-@ r0    uint8_t *s,
-@ r1    int p, /* pitch */
-@ r2    const uint8_t *blimit,
-@ r3    const uint8_t *limit,
-@ sp    const uint8_t *thresh,
-_vp9_lpf_vertical_16_neon:
-	vp9_lpf_vertical_16_neon: @ PROC
-    push        {r4-r8, lr}
-    vpush       {d8-d15}
-    ldr         r4, [sp, #88]              @ load thresh
-
-    vld1.8      {d16[]}, [r2]              @ load *blimit
-    vld1.8      {d17[]}, [r3]              @ load *limit
-    vld1.8      {d18[]}, [r4]              @ load *thresh
-
-    sub         r8, r0, #8
-
-    vld1.8      {d0}, [r8,:64], r1
-    vld1.8      {d8}, [r0,:64], r1
-    vld1.8      {d1}, [r8,:64], r1
-    vld1.8      {d9}, [r0,:64], r1
-    vld1.8      {d2}, [r8,:64], r1
-    vld1.8      {d10}, [r0,:64], r1
-    vld1.8      {d3}, [r8,:64], r1
-    vld1.8      {d11}, [r0,:64], r1
-    vld1.8      {d4}, [r8,:64], r1
-    vld1.8      {d12}, [r0,:64], r1
-    vld1.8      {d5}, [r8,:64], r1
-    vld1.8      {d13}, [r0,:64], r1
-    vld1.8      {d6}, [r8,:64], r1
-    vld1.8      {d14}, [r0,:64], r1
-    vld1.8      {d7}, [r8,:64], r1
-    vld1.8      {d15}, [r0,:64], r1
-
-    sub         r0, r0, r1, lsl #3
-
-    vtrn.32     q0, q2
-    vtrn.32     q1, q3
-    vtrn.32     q4, q6
-    vtrn.32     q5, q7
-
-    vtrn.16     q0, q1
-    vtrn.16     q2, q3
-    vtrn.16     q4, q5
-    vtrn.16     q6, q7
-
-    vtrn.8      d0, d1
-    vtrn.8      d2, d3
-    vtrn.8      d4, d5
-    vtrn.8      d6, d7
-
-    vtrn.8      d8, d9
-    vtrn.8      d10, d11
-    vtrn.8      d12, d13
-    vtrn.8      d14, d15
-
-    bl          vp9_wide_mbfilter_neon
-
-    tst         r7, #1
-    beq         v_mbfilter
-
-    @ flat && mask were not set for any of the channels. Just store the values
-    @ from filter.
-    sub         r8, r0, #2
-
-    vswp        d23, d25
-
-    vst4.8      {d23[0], d24[0], d25[0], d26[0]}, [r8], r1
-    vst4.8      {d23[1], d24[1], d25[1], d26[1]}, [r8], r1
-    vst4.8      {d23[2], d24[2], d25[2], d26[2]}, [r8], r1
-    vst4.8      {d23[3], d24[3], d25[3], d26[3]}, [r8], r1
-    vst4.8      {d23[4], d24[4], d25[4], d26[4]}, [r8], r1
-    vst4.8      {d23[5], d24[5], d25[5], d26[5]}, [r8], r1
-    vst4.8      {d23[6], d24[6], d25[6], d26[6]}, [r8], r1
-    vst4.8      {d23[7], d24[7], d25[7], d26[7]}, [r8], r1
-
-    b           v_end
-
-v_mbfilter:
-    tst         r7, #2
-    beq         v_wide_mbfilter
-
-    @ flat2 was not set for any of the channels. Just store the values from
-    @ mbfilter.
-    sub         r8, r0, #3
-
-    vst3.8      {d18[0], d19[0], d20[0]}, [r8], r1
-    vst3.8      {d21[0], d22[0], d23[0]}, [r0], r1
-    vst3.8      {d18[1], d19[1], d20[1]}, [r8], r1
-    vst3.8      {d21[1], d22[1], d23[1]}, [r0], r1
-    vst3.8      {d18[2], d19[2], d20[2]}, [r8], r1
-    vst3.8      {d21[2], d22[2], d23[2]}, [r0], r1
-    vst3.8      {d18[3], d19[3], d20[3]}, [r8], r1
-    vst3.8      {d21[3], d22[3], d23[3]}, [r0], r1
-    vst3.8      {d18[4], d19[4], d20[4]}, [r8], r1
-    vst3.8      {d21[4], d22[4], d23[4]}, [r0], r1
-    vst3.8      {d18[5], d19[5], d20[5]}, [r8], r1
-    vst3.8      {d21[5], d22[5], d23[5]}, [r0], r1
-    vst3.8      {d18[6], d19[6], d20[6]}, [r8], r1
-    vst3.8      {d21[6], d22[6], d23[6]}, [r0], r1
-    vst3.8      {d18[7], d19[7], d20[7]}, [r8], r1
-    vst3.8      {d21[7], d22[7], d23[7]}, [r0], r1
-
-    b           v_end
-
-v_wide_mbfilter:
-    sub         r8, r0, #8
-
-    vtrn.32     d0,  d26
-    vtrn.32     d16, d27
-    vtrn.32     d24, d18
-    vtrn.32     d25, d19
-
-    vtrn.16     d0,  d24
-    vtrn.16     d16, d25
-    vtrn.16     d26, d18
-    vtrn.16     d27, d19
-
-    vtrn.8      d0,  d16
-    vtrn.8      d24, d25
-    vtrn.8      d26, d27
-    vtrn.8      d18, d19
-
-    vtrn.32     d20, d1
-    vtrn.32     d21, d2
-    vtrn.32     d22, d3
-    vtrn.32     d23, d15
-
-    vtrn.16     d20, d22
-    vtrn.16     d21, d23
-    vtrn.16     d1,  d3
-    vtrn.16     d2,  d15
-
-    vtrn.8      d20, d21
-    vtrn.8      d22, d23
-    vtrn.8      d1,  d2
-    vtrn.8      d3,  d15
-
-    vst1.8      {d0}, [r8,:64], r1
-    vst1.8      {d20}, [r0,:64], r1
-    vst1.8      {d16}, [r8,:64], r1
-    vst1.8      {d21}, [r0,:64], r1
-    vst1.8      {d24}, [r8,:64], r1
-    vst1.8      {d22}, [r0,:64], r1
-    vst1.8      {d25}, [r8,:64], r1
-    vst1.8      {d23}, [r0,:64], r1
-    vst1.8      {d26}, [r8,:64], r1
-    vst1.8      {d1}, [r0,:64], r1
-    vst1.8      {d27}, [r8,:64], r1
-    vst1.8      {d2}, [r0,:64], r1
-    vst1.8      {d18}, [r8,:64], r1
-    vst1.8      {d3}, [r0,:64], r1
-    vst1.8      {d19}, [r8,:64], r1
-    vst1.8      {d15}, [r0,:64], r1
-
-v_end:
-    vpop        {d8-d15}
-    pop         {r4-r8, pc}
-
-	.size vp9_lpf_vertical_16_neon, .-vp9_lpf_vertical_16_neon    @ ENDP        @ |vp9_lpf_vertical_16_neon|
-
-@ void vp9_wide_mbfilter_neon();
-@ This is a helper function for the loopfilters. The invidual functions do the
-@ necessary load, transpose (if necessary) and store.
-@
-@ r0-r3 PRESERVE
-@ d16    blimit
-@ d17    limit
-@ d18    thresh
-@ d0    p7
-@ d1    p6
-@ d2    p5
-@ d3    p4
-@ d4    p3
-@ d5    p2
-@ d6    p1
-@ d7    p0
-@ d8    q0
-@ d9    q1
-@ d10   q2
-@ d11   q3
-@ d12   q4
-@ d13   q5
-@ d14   q6
-@ d15   q7
-_vp9_wide_mbfilter_neon:
-	vp9_wide_mbfilter_neon: @ PROC
-    mov         r7, #0
-
-    @ filter_mask
-    vabd.u8     d19, d4, d5                @ abs(p3 - p2)
-    vabd.u8     d20, d5, d6                @ abs(p2 - p1)
-    vabd.u8     d21, d6, d7                @ abs(p1 - p0)
-    vabd.u8     d22, d9, d8                @ abs(q1 - q0)
-    vabd.u8     d23, d10, d9               @ abs(q2 - q1)
-    vabd.u8     d24, d11, d10              @ abs(q3 - q2)
-
-    @ only compare the largest value to limit
-    vmax.u8     d19, d19, d20              @ max(abs(p3 - p2), abs(p2 - p1))
-    vmax.u8     d20, d21, d22              @ max(abs(p1 - p0), abs(q1 - q0))
-    vmax.u8     d23, d23, d24              @ max(abs(q2 - q1), abs(q3 - q2))
-    vmax.u8     d19, d19, d20
-
-    vabd.u8     d24, d7, d8                @ abs(p0 - q0)
-
-    vmax.u8     d19, d19, d23
-
-    vabd.u8     d23, d6, d9                @ a = abs(p1 - q1)
-    vqadd.u8    d24, d24, d24              @ b = abs(p0 - q0) * 2
-
-    @ abs () > limit
-    vcge.u8     d19, d17, d19
-
-    @ flatmask4
-    vabd.u8     d25, d7, d5                @ abs(p0 - p2)
-    vabd.u8     d26, d8, d10               @ abs(q0 - q2)
-    vabd.u8     d27, d4, d7                @ abs(p3 - p0)
-    vabd.u8     d28, d11, d8               @ abs(q3 - q0)
-
-    @ only compare the largest value to thresh
-    vmax.u8     d25, d25, d26              @ max(abs(p0 - p2), abs(q0 - q2))
-    vmax.u8     d26, d27, d28              @ max(abs(p3 - p0), abs(q3 - q0))
-    vmax.u8     d25, d25, d26
-    vmax.u8     d20, d20, d25
-
-    vshr.u8     d23, d23, #1               @ a = a / 2
-    vqadd.u8    d24, d24, d23              @ a = b + a
-
-    vmov.u8     d30, #1
-    vcge.u8     d24, d16, d24              @ (a > blimit * 2 + limit) * -1
-
-    vcge.u8     d20, d30, d20              @ flat
-
-    vand        d19, d19, d24              @ mask
-
-    @ hevmask
-    vcgt.u8     d21, d21, d18              @ (abs(p1 - p0) > thresh)*-1
-    vcgt.u8     d22, d22, d18              @ (abs(q1 - q0) > thresh)*-1
-    vorr        d21, d21, d22              @ hev
-
-    vand        d16, d20, d19              @ flat && mask
-    vmov        r5, r6, d16
-
-    @ flatmask5(1, p7, p6, p5, p4, p0, q0, q4, q5, q6, q7)
-    vabd.u8     d22, d3, d7                @ abs(p4 - p0)
-    vabd.u8     d23, d12, d8               @ abs(q4 - q0)
-    vabd.u8     d24, d7, d2                @ abs(p0 - p5)
-    vabd.u8     d25, d8, d13               @ abs(q0 - q5)
-    vabd.u8     d26, d1, d7                @ abs(p6 - p0)
-    vabd.u8     d27, d14, d8               @ abs(q6 - q0)
-    vabd.u8     d28, d0, d7                @ abs(p7 - p0)
-    vabd.u8     d29, d15, d8               @ abs(q7 - q0)
-
-    @ only compare the largest value to thresh
-    vmax.u8     d22, d22, d23              @ max(abs(p4 - p0), abs(q4 - q0))
-    vmax.u8     d23, d24, d25              @ max(abs(p0 - p5), abs(q0 - q5))
-    vmax.u8     d24, d26, d27              @ max(abs(p6 - p0), abs(q6 - q0))
-    vmax.u8     d25, d28, d29              @ max(abs(p7 - p0), abs(q7 - q0))
-
-    vmax.u8     d26, d22, d23
-    vmax.u8     d27, d24, d25
-    vmax.u8     d23, d26, d27
-
-    vcge.u8     d18, d30, d23              @ flat2
-
-    vmov.u8     d22, #0x80
-
-    orrs        r5, r5, r6                 @ Check for 0
-    orreq       r7, r7, #1                 @ Only do filter branch
-
-    vand        d17, d18, d16              @ flat2 && flat && mask
-    vmov        r5, r6, d17
-
-    @ mbfilter() function
-
-    @ filter() function
-    @ convert to signed
-    veor        d23, d8, d22               @ qs0
-    veor        d24, d7, d22               @ ps0
-    veor        d25, d6, d22               @ ps1
-    veor        d26, d9, d22               @ qs1
-
-    vmov.u8     d27, #3
-
-    vsub.s8     d28, d23, d24              @ ( qs0 - ps0)
-    vqsub.s8    d29, d25, d26              @ filter = clamp(ps1-qs1)
-    vmull.s8    q15, d28, d27              @ 3 * ( qs0 - ps0)
-    vand        d29, d29, d21              @ filter &= hev
-    vaddw.s8    q15, q15, d29              @ filter + 3 * (qs0 - ps0)
-    vmov.u8     d29, #4
-
-    @ filter = clamp(filter + 3 * ( qs0 - ps0))
-    vqmovn.s16  d28, q15
-
-    vand        d28, d28, d19              @ filter &= mask
-
-    vqadd.s8    d30, d28, d27              @ filter2 = clamp(filter+3)
-    vqadd.s8    d29, d28, d29              @ filter1 = clamp(filter+4)
-    vshr.s8     d30, d30, #3               @ filter2 >>= 3
-    vshr.s8     d29, d29, #3               @ filter1 >>= 3
-
-
-    vqadd.s8    d24, d24, d30              @ op0 = clamp(ps0 + filter2)
-    vqsub.s8    d23, d23, d29              @ oq0 = clamp(qs0 - filter1)
-
-    @ outer tap adjustments: ++filter1 >> 1
-    vrshr.s8    d29, d29, #1
-    vbic        d29, d29, d21              @ filter &= ~hev
-
-    vqadd.s8    d25, d25, d29              @ op1 = clamp(ps1 + filter)
-    vqsub.s8    d26, d26, d29              @ oq1 = clamp(qs1 - filter)
-
-    veor        d24, d24, d22              @ *f_op0 = u^0x80
-    veor        d23, d23, d22              @ *f_oq0 = u^0x80
-    veor        d25, d25, d22              @ *f_op1 = u^0x80
-    veor        d26, d26, d22              @ *f_oq1 = u^0x80
-
-    tst         r7, #1
-    bxne        lr
-
-    @ mbfilter flat && mask branch
-    @ TODO(fgalligan): Can I decrease the cycles shifting to consective d's
-    @ and using vibt on the q's?
-    vmov.u8     d29, #2
-    vaddl.u8    q15, d7, d8                @ op2 = p0 + q0
-    vmlal.u8    q15, d4, d27               @ op2 = p0 + q0 + p3 * 3
-    vmlal.u8    q15, d5, d29               @ op2 = p0 + q0 + p3 * 3 + p2 * 2
-    vaddl.u8    q10, d4, d5
-    vaddw.u8    q15, d6                    @ op2=p1 + p0 + q0 + p3 * 3 + p2 *2
-    vaddl.u8    q14, d6, d9
-    vqrshrn.u16 d18, q15, #3               @ r_op2
-
-    vsub.i16    q15, q10
-    vaddl.u8    q10, d4, d6
-    vadd.i16    q15, q14
-    vaddl.u8    q14, d7, d10
-    vqrshrn.u16 d19, q15, #3               @ r_op1
-
-    vsub.i16    q15, q10
-    vadd.i16    q15, q14
-    vaddl.u8    q14, d8, d11
-    vqrshrn.u16 d20, q15, #3               @ r_op0
-
-    vsubw.u8    q15, d4                    @ oq0 = op0 - p3
-    vsubw.u8    q15, d7                    @ oq0 -= p0
-    vadd.i16    q15, q14
-    vaddl.u8    q14, d9, d11
-    vqrshrn.u16 d21, q15, #3               @ r_oq0
-
-    vsubw.u8    q15, d5                    @ oq1 = oq0 - p2
-    vsubw.u8    q15, d8                    @ oq1 -= q0
-    vadd.i16    q15, q14
-    vaddl.u8    q14, d10, d11
-    vqrshrn.u16 d22, q15, #3               @ r_oq1
-
-    vsubw.u8    q15, d6                    @ oq2 = oq0 - p1
-    vsubw.u8    q15, d9                    @ oq2 -= q1
-    vadd.i16    q15, q14
-    vqrshrn.u16 d27, q15, #3               @ r_oq2
-
-    @ Filter does not set op2 or oq2, so use p2 and q2.
-    vbif        d18, d5, d16               @ t_op2 |= p2 & ~(flat & mask)
-    vbif        d19, d25, d16              @ t_op1 |= f_op1 & ~(flat & mask)
-    vbif        d20, d24, d16              @ t_op0 |= f_op0 & ~(flat & mask)
-    vbif        d21, d23, d16              @ t_oq0 |= f_oq0 & ~(flat & mask)
-    vbif        d22, d26, d16              @ t_oq1 |= f_oq1 & ~(flat & mask)
-
-    vbit        d23, d27, d16              @ t_oq2 |= r_oq2 & (flat & mask)
-    vbif        d23, d10, d16              @ t_oq2 |= q2 & ~(flat & mask)
-
-    tst         r7, #2
-    bxne        lr
-
-    @ wide_mbfilter flat2 && flat && mask branch
-    vmov.u8     d16, #7
-    vaddl.u8    q15, d7, d8                @ op6 = p0 + q0
-    vaddl.u8    q12, d2, d3
-    vaddl.u8    q13, d4, d5
-    vaddl.u8    q14, d1, d6
-    vmlal.u8    q15, d0, d16               @ op6 += p7 * 3
-    vadd.i16    q12, q13
-    vadd.i16    q15, q14
-    vaddl.u8    q14, d2, d9
-    vadd.i16    q15, q12
-    vaddl.u8    q12, d0, d1
-    vaddw.u8    q15, d1
-    vaddl.u8    q13, d0, d2
-    vadd.i16    q14, q15, q14
-    vqrshrn.u16 d16, q15, #4               @ w_op6
-
-    vsub.i16    q15, q14, q12
-    vaddl.u8    q14, d3, d10
-    vqrshrn.u16 d24, q15, #4               @ w_op5
-
-    vsub.i16    q15, q13
-    vaddl.u8    q13, d0, d3
-    vadd.i16    q15, q14
-    vaddl.u8    q14, d4, d11
-    vqrshrn.u16 d25, q15, #4               @ w_op4
-
-    vadd.i16    q15, q14
-    vaddl.u8    q14, d0, d4
-    vsub.i16    q15, q13
-    vsub.i16    q14, q15, q14
-    vqrshrn.u16 d26, q15, #4               @ w_op3
-
-    vaddw.u8    q15, q14, d5               @ op2 += p2
-    vaddl.u8    q14, d0, d5
-    vaddw.u8    q15, d12                   @ op2 += q4
-    vbif        d26, d4, d17               @ op3 |= p3 & ~(f2 & f & m)
-    vqrshrn.u16 d27, q15, #4               @ w_op2
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d0, d6
-    vaddw.u8    q15, d6                    @ op1 += p1
-    vaddw.u8    q15, d13                   @ op1 += q5
-    vbif        d27, d18, d17              @ op2 |= t_op2 & ~(f2 & f & m)
-    vqrshrn.u16 d18, q15, #4               @ w_op1
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d0, d7
-    vaddw.u8    q15, d7                    @ op0 += p0
-    vaddw.u8    q15, d14                   @ op0 += q6
-    vbif        d18, d19, d17              @ op1 |= t_op1 & ~(f2 & f & m)
-    vqrshrn.u16 d19, q15, #4               @ w_op0
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d1, d8
-    vaddw.u8    q15, d8                    @ oq0 += q0
-    vaddw.u8    q15, d15                   @ oq0 += q7
-    vbif        d19, d20, d17              @ op0 |= t_op0 & ~(f2 & f & m)
-    vqrshrn.u16 d20, q15, #4               @ w_oq0
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d2, d9
-    vaddw.u8    q15, d9                    @ oq1 += q1
-    vaddl.u8    q4, d10, d15
-    vaddw.u8    q15, d15                   @ oq1 += q7
-    vbif        d20, d21, d17              @ oq0 |= t_oq0 & ~(f2 & f & m)
-    vqrshrn.u16 d21, q15, #4               @ w_oq1
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d3, d10
-    vadd.i16    q15, q4
-    vaddl.u8    q4, d11, d15
-    vbif        d21, d22, d17              @ oq1 |= t_oq1 & ~(f2 & f & m)
-    vqrshrn.u16 d22, q15, #4               @ w_oq2
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d4, d11
-    vadd.i16    q15, q4
-    vaddl.u8    q4, d12, d15
-    vbif        d22, d23, d17              @ oq2 |= t_oq2 & ~(f2 & f & m)
-    vqrshrn.u16 d23, q15, #4               @ w_oq3
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d5, d12
-    vadd.i16    q15, q4
-    vaddl.u8    q4, d13, d15
-    vbif        d16, d1, d17               @ op6 |= p6 & ~(f2 & f & m)
-    vqrshrn.u16 d1, q15, #4                @ w_oq4
-
-    vsub.i16    q15, q14
-    vaddl.u8    q14, d6, d13
-    vadd.i16    q15, q4
-    vaddl.u8    q4, d14, d15
-    vbif        d24, d2, d17               @ op5 |= p5 & ~(f2 & f & m)
-    vqrshrn.u16 d2, q15, #4                @ w_oq5
-
-    vsub.i16    q15, q14
-    vbif        d25, d3, d17               @ op4 |= p4 & ~(f2 & f & m)
-    vadd.i16    q15, q4
-    vbif        d23, d11, d17              @ oq3 |= q3 & ~(f2 & f & m)
-    vqrshrn.u16 d3, q15, #4                @ w_oq6
-    vbif        d1, d12, d17               @ oq4 |= q4 & ~(f2 & f & m)
-    vbif        d2, d13, d17               @ oq5 |= q5 & ~(f2 & f & m)
-    vbif        d3, d14, d17               @ oq6 |= q6 & ~(f2 & f & m)
-
-    bx          lr
-	.size vp9_wide_mbfilter_neon, .-vp9_wide_mbfilter_neon    @ ENDP        @ |vp9_wide_mbfilter_neon|
-
-	.section	.note.GNU-stack,"",%progbits
diff --git a/rsDefines.h b/rsDefines.h
index e25cf71..fbc63cd 100644
--- a/rsDefines.h
+++ b/rsDefines.h
@@ -365,8 +365,7 @@
     RS_SCRIPT_INTRINSIC_ID_BLEND = 7,
     RS_SCRIPT_INTRINSIC_ID_3DLUT = 8,
     RS_SCRIPT_INTRINSIC_ID_HISTOGRAM = 9,
-    RS_SCRIPT_INTRINSIC_ID_INTER_PRED= 10,
-    RS_SCRIPT_INTRINSIC_ID_LOOP_FILTER = 11
+    RS_SCRIPT_INTRINSIC_ID_INTER_PRED= 10
 };
 
 typedef struct {